阅读说明：本技术 一种石墨烯改性兔毛纤维制备系统及方法 (Graphene modified rabbit hair fiber preparation system and method ) 是由 宋培龙 于 2020-04-26 设计创作，主要内容包括：本发明公开了一种石墨烯改性兔毛纤维制备系统及方法,包括溶液制备和兔毛预处理,所述溶液制备主要是制备L-半胱氨酸和氧化石墨烯混合溶液,所述兔毛预处理是对兔毛进行多项处理。涉及兔毛纤维制备技术领域。通过使用本发明的系统可生产出新型的石墨烯改性兔毛纤维,其中利用氧化石墨烯独特的性能,使得兔毛纤维的性能得到有效的改善,且该系统实际操作相对简单,步骤清晰完整,大大降低了纯兔毛纤维纺纱的难度,也不必引进或改善毛纺梳理设备,普通毛纺仪器设备均可使用,解决了纺纱过程中难成网的问题,并且石墨烯改性兔毛纤维不仅具备兔毛纤维本身的优良性能,还同时获得抗菌抑菌、防护紫外线、远红外保健等功能特性。(The invention discloses a graphene modified rabbit hair fiber preparation system and a method, and the system comprises solution preparation and rabbit hair pretreatment, wherein the solution preparation mainly comprises the preparation of a mixed solution of L-cysteine and graphene oxide, and the rabbit hair pretreatment comprises the multiple treatment of rabbit hair. Relates to the technical field of rabbit hair fiber preparation. The system can be used for producing novel graphene modified rabbit hair fibers, wherein the unique performance of graphene oxide is utilized, so that the performance of the rabbit hair fibers is effectively improved, the system is relatively simple in actual operation and clear and complete in steps, the difficulty in spinning pure rabbit hair fibers is greatly reduced, wool spinning carding equipment does not need to be introduced or improved, common wool spinning instruments and equipment can be used, the problem that a net is difficult to form in the spinning process is solved, and the graphene modified rabbit hair fibers not only have the excellent performance of the rabbit hair fibers, but also have the functional characteristics of antibiosis, bacteriostasis, ultraviolet protection, far infrared health care and the like.)

1. The utility model provides a modified rabbit hair fibre preparation system of graphite alkene, includes solution preparation and rabbit hair preliminary treatment, its characterized in that: the preparation method of the solution mainly comprises the steps of preparing a mixed solution of L-cysteine and graphene oxide, wherein the rabbit hair pretreatment is to carry out multiple treatments on rabbit hair, and the preparation of the graphene modified rabbit hair fiber is carried out after the solution preparation and the rabbit hair pretreatment are completed.

2. The graphene-modified rabbit hair fiber preparation system according to claim 1, wherein: the preparation of the solution comprises preparation of an L-cysteine solution, preparation of a graphene oxide solution and preparation of a mixed solution of the L-cysteine solution and the graphene oxide.

3. The graphene-modified rabbit hair fiber preparation system according to claim 1, wherein: the rabbit hair pretreatment comprises rabbit hair screening, rabbit hair soaking, rabbit hair washing and rabbit hair drying.

4. The graphene modified rabbit hair fiber preparation system and method according to claim 1, wherein the graphene modified rabbit hair fiber preparation system is characterized in that: the preparation of the graphene modified wool fiber comprises modification and grafting treatment, ultrasonic treatment and final treatment.

5. A method of a graphene modified rabbit hair fiber preparation system is characterized by comprising the following steps:

s1, preparing an L-cysteine solution: dissolving L-cysteine in deionized water to prepare an L-cysteine solution with the concentration of 0.03-0.05 mol/L;

s2, preparing a graphene oxide solution: dissolving graphene oxide in purified water to prepare a graphene oxide solution with the concentration of 5 g/L;

s3, preparing a mixed solution of L-cysteine solution and graphene oxide: taking the L-cysteine solution and the graphite oxide solution prepared in the S1 and S2 out of the reactor by the same amount, stirring and mixing the L-cysteine solution and the graphite oxide solution together to prepare a mixed solution of the L-cysteine solution and the graphite oxide;

s4, rabbit hair screening: firstly, removing obvious impurities in the rabbit hair by manpower, then conveying the rabbit hair into screening equipment, and further removing smaller impurities doped in the rabbit hair by the screening equipment;

s5, rabbit hair soaking: placing the rabbit hair screened in the S4 into a container filled with a sodium carbonate solution with the concentration of 0.06-0.08 moL/L, and soaking the rabbit hair to remove grease, natural impurities and peculiar smell on the surface layer of the rabbit hair;

s6, washing rabbit hair: placing the rabbit hair soaked in the S5 into special cleaning equipment, washing the rabbit hair by high-pressure ionized water generated by the cleaning equipment, and cleaning the sodium carbonate solution in the rabbit hair;

s7, drying rabbit hair: putting the rabbit hair washed in the step S6 into drying equipment, and drying the rabbit hair;

s8, modification and grafting treatment: taking out the processed rabbit hair fibers with the bath ratio of 180: 1-220: 1 in S7, taking out the mixed solution of the L-cysteine solution and the graphene oxide prepared in S3, and putting the L-cysteine solution and the graphene oxide into a conical flask for mixing and soaking;

s9, ultrasonic treatment: placing the rabbit hair fibers treated in the step S8 in ultrasonic equipment, selecting ultrasonic power of 80-100W, water bath temperature of 70-80 ℃, and treatment time of 50-70 min, and carrying out ultrasonic treatment on the rabbit hair fibers;

s10, final processing: and (3) cleaning the graphene modified rabbit hair fibers prepared in the S9 by using absolute alcohol, and drying the graphene modified rabbit hair fibers in drying equipment after cleaning, wherein the drying temperature is set to be 50-60 ℃.

6. The method of claim 5, wherein the graphene-modified rabbit hair fiber preparation system comprises: in the step S3, a magnetic stirrer is used, the rotating speed is 20 revolutions per second, and the stirring time is controlled to be 5-6 minutes, so that the L-cysteine solid can be fully dissolved.

7. The method of claim 5, wherein the graphene-modified rabbit hair fiber preparation system comprises: the soaking time in the S5 is one hour, and the sodium carbonate solution can be ensured to be completely immersed in the rabbit hair, so that the rabbit hair is ensured to have an effective effect.

8. The method of claim 5, wherein the graphene-modified rabbit hair fiber preparation system comprises: and in the S7, the drying temperature is set to be 55-65 ℃, the drying time is 45-50 minutes, and the time for soaking the rabbit hair fibers in the mixed solution of the L-cysteine solution and the graphene oxide in the S8 is two hours.

Technical Field

The invention relates to the technical field of rabbit hair fiber preparation, and particularly relates to a graphene modified rabbit hair fiber preparation system and method.

Background

The rabbit hair is a natural special animal fiber which is rich in various amino acids and contains a large number of-NH and CoOH functional groups, the internal structure of the rabbit hair fiber has a pith layer, the rabbit hair fiber is soft in hand feeling, light and fluffy, unique in style, good in heat retention and hygroscopicity, acid and alkali resistant, and can generate light, soft and soft feeling when contacting with skin, and the rabbit hair fiber is good in skin-friendly feeling and is blended with wool or other fibers.

In the process of producing textile fabrics by using rabbit hair fibers, the surfaces of the rabbit hair fibers are unidirectionally flaky, the fiber strength is low, the surface friction performance is poor, the curling degree is small, static electricity exists among the fibers, the cohesion performance is poor, and great difficulty is caused in the spinning process.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a graphene modified rabbit hair fiber preparation system and method, and solves the problems that the existing rabbit hair fiber improvement method is difficult to operate practically, the specific steps are complicated and incomplete, and the web is difficult to form in the spinning process.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a modified rabbit hair fibre preparation system of graphite alkene, includes solution preparation and rabbit hair preliminary treatment, solution preparation mainly is preparation L-cysteine and graphite alkene mixed solution, rabbit hair preliminary treatment carries out the multiple processing to the rabbit hair, solution preparation and the preparation of modified rabbit hair fibre of graphite alkene after rabbit hair preliminary treatment accomplishes.

Further, the solution preparation comprises L-cysteine solution preparation, graphene oxide solution preparation and mixed solution preparation of the L-cysteine solution and the graphene oxide.

Further, the rabbit hair pretreatment comprises rabbit hair screening, rabbit hair soaking, rabbit hair washing and rabbit hair drying.

Further, the preparation of the graphene modified wool fiber comprises modification and grafting treatment, ultrasonic treatment and final treatment.

A method of a graphene modified rabbit hair fiber preparation system comprises the following steps:

s1, preparing an L-cysteine solution: dissolving L-cysteine in deionized water to prepare an L-cysteine solution with the concentration of 0.03-0.05 mol/L;

s2, preparing a graphene oxide solution: dissolving graphene oxide in purified water to prepare a graphene oxide solution with the concentration of 5 g/L;

s3, preparing a mixed solution of L-cysteine solution and graphene oxide: taking the L-cysteine solution and the graphite oxide solution prepared in the S1 and S2 out of the reactor by the same amount, stirring and mixing the L-cysteine solution and the graphite oxide solution together to prepare a mixed solution of the L-cysteine solution and the graphite oxide;

s4, rabbit hair screening: firstly, removing obvious impurities in the rabbit hair by manpower, then conveying the rabbit hair into screening equipment, and further removing smaller impurities doped in the rabbit hair by the screening equipment;

s5, rabbit hair soaking: placing the rabbit hair screened in the S4 into a container filled with a sodium carbonate solution with the concentration of 0.06-0.08 moL/L, and soaking the rabbit hair to remove grease, natural impurities and peculiar smell on the surface layer of the rabbit hair;

s6, washing rabbit hair: placing the rabbit hair soaked in the S5 into special cleaning equipment, washing the rabbit hair by high-pressure ionized water generated by the cleaning equipment, and cleaning the sodium carbonate solution in the rabbit hair;

s7, drying rabbit hair: putting the rabbit hair washed in the step S6 into drying equipment, and drying the rabbit hair;

s8, modification and grafting treatment: taking out the processed rabbit hair fibers with the bath ratio of 180: 1-220: 1 in S7, taking out the mixed solution of the L-cysteine solution and the graphene oxide prepared in S3, and putting the L-cysteine solution and the graphene oxide into a conical flask for mixing and soaking;

s9, ultrasonic treatment: placing the rabbit hair fibers treated in the step S8 in ultrasonic equipment, selecting ultrasonic power of 80-100W, water bath temperature of 70-80 ℃, and treatment time of 50-70 min, and carrying out ultrasonic treatment on the rabbit hair fibers;

the system can produce novel graphene modified rabbit hair fiber, wherein the unique performance of graphene oxide is utilized to effectively improve the performance of rabbit hair fiber, the system is relatively simple in actual operation and clear and complete in steps, the difficulty in spinning pure rabbit hair fiber is greatly reduced, wool spinning carding equipment does not need to be introduced or improved, common wool spinning instruments and equipment can be used, the problem that a net is difficult to form in the spinning process is solved, the graphene modified rabbit hair fiber not only has the excellent performance of the rabbit hair fiber, but also has the functional characteristics of antibiosis, bacteriostasis, ultraviolet protection, far infrared health protection and the like, and when the graphene modified rabbit hair fiber is blended with other fibers, the excellent characteristics of the rabbit hair fiber can be achieved by adding a small amount of the graphene modified rabbit hair fiber, and the functional characteristics of antibiosis, bacteriostasis, ultraviolet protection, far infrared health protection and the like can be obtained, the performance of the graphene modified rabbit hair fiber is far superior to that of the rabbit hair fiber, and the application value is very high.

Further, after the cleaning is finished, drying treatment is carried out in graphene modified rabbit hair fiber drying equipment, and the drying temperature is set to be 50-60 ℃.

Further, in the step S3, the rotating speed of a magnetic stirrer is 20 revolutions per second, and the stirring time is controlled to be 5-6 minutes, so that the L-cysteine solid can be fully dissolved.

Further, the soaking time in the S5 is one hour, and the sodium carbonate solution can be completely immersed in the rabbit hair, so that the rabbit hair is ensured to have an effective effect.

Further, the drying temperature in the step S7 is set to 55-65 ℃, the drying time is 45-50 minutes, and the time for soaking the rabbit hair fibers in the mixed solution of the L-cysteine solution and the graphene oxide in the step S8 is two hours.

(III) advantageous effects

The invention has the following beneficial effects:

the system and the method for preparing the graphene modified rabbit hair fiber can produce the novel graphene modified rabbit hair fiber, wherein the unique performance of graphene oxide is utilized to effectively improve the performance of the rabbit hair fiber, the system is relatively simple in actual operation and clear and complete in steps, the difficulty of spinning pure rabbit hair fiber is greatly reduced, wool spinning carding equipment does not need to be introduced or improved, common wool spinning instruments and equipment can be used, the problem that a net is difficult to form in the spinning process is solved, the graphene modified rabbit hair fiber not only has the excellent performance of the rabbit hair fiber, but also has the functional characteristics of antibiosis, bacteriostasis, ultraviolet protection, far infrared health care and the like, and when the graphene modified rabbit hair fiber is blended with other fibers, the excellent characteristics of the rabbit hair fiber can be achieved by adding a small amount of the graphene modified rabbit hair fiber, the antibacterial, bacteriostasis and the like, The graphene modified rabbit hair fiber has the functional characteristics of ultraviolet protection, far infrared health care and the like, has the performance far superior to that of the rabbit hair fiber, and has extremely high application value.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

FIG. 1 is a flow chart of a graphene modified rabbit hair fiber preparation system according to the present invention;

FIG. 2 is a block diagram of a process for the preparation of a solution according to the present invention;

FIG. 3 is a block diagram of a rabbit hair pretreatment process according to the present invention;

fig. 4 is a flow chart of the preparation of graphene modified rabbit hair fibers in the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: the utility model provides a modified rabbit hair fibre preparation system of graphite alkene, includes solution preparation and rabbit hair preliminary treatment, solution preparation mainly is preparation L-cysteine and graphite alkene mixed solution, rabbit hair preliminary treatment carries out the multiple processing to the rabbit hair, solution preparation and the preparation of modified rabbit hair fibre of graphite alkene after rabbit hair preliminary treatment accomplishes.

The preparation of the solution and the pretreatment of the rabbit hair can be carried out simultaneously and respectively, or can be carried out sequentially, and the preparation of the graphene modified rabbit hair fiber must be carried out after the preparation of the solution and the pretreatment of the rabbit hair are finished according to specific conditions in actual operation.

The preparation of the solution comprises preparation of an L-cysteine solution, preparation of a graphene oxide solution and preparation of a mixed solution of the L-cysteine solution and the graphene oxide.

The graphene oxide is prepared by oxidation reduction of graphene in advance, has very good hydrophilicity and surface activity, can be intercalated and ionized by micromolecules or other polymers, has large specific surface area, good conductivity and excellent mechanical property, and plays a very important role in improving comprehensive properties of materials such as heat, electricity, mechanics and the like.

The rabbit hair pretreatment comprises rabbit hair screening, rabbit hair soaking, rabbit hair washing and rabbit hair drying.

The rabbit hair screening, the rabbit hair soaking, the rabbit hair washing and the rabbit hair drying are sequentially carried out once, so that the original characteristics of the prepared rabbit hair fiber are kept.

The preparation of the graphene modified wool fiber comprises modification and grafting treatment, ultrasonic treatment and final treatment.

A method of a graphene modified rabbit hair fiber preparation system comprises the following steps:

s1, preparing an L-cysteine solution: dissolving L-cysteine in deionized water to prepare an L-cysteine solution with the concentration of 0.03-0.05 mol/L;

when the L-cysteine solution is prepared, in order to prevent the waste caused by excessive preparation of the solution, the dosage of the ionic water and the L-cysteine is required to be selected according to specific conditions, and the concentration is required to be ensured to be between 0.03 and 0.05 mol/L.

S2, preparing a graphene oxide solution: dissolving graphene oxide in purified water to prepare a graphene oxide solution with the concentration of 5 g/L;

the pure water without impurities is used, the purity of the solution can be guaranteed, the mixed solution needs to be stirred by a stirrer when the graphene oxide is dissolved in the pure water, and the solution is ensured to be uniformly mixed.

S3, preparing a mixed solution of L-cysteine solution and graphene oxide: taking the L-cysteine solution and the graphite oxide solution prepared in the S1 and S2 out of the reactor by the same amount, stirring and mixing the L-cysteine solution and the graphite oxide solution together to prepare a mixed solution of the L-cysteine solution and the graphite oxide;

s4, rabbit hair screening: firstly, removing obvious impurities in the rabbit hair by manpower, then conveying the rabbit hair into screening equipment, and further removing smaller impurities doped in the rabbit hair by the screening equipment;

s5, rabbit hair soaking: placing the rabbit hair screened in the S4 into a container filled with a sodium carbonate solution with the concentration of 0.06-0.08 moL/L, and soaking the rabbit hair to remove grease, natural impurities and peculiar smell on the surface layer of the rabbit hair;

s6, washing rabbit hair: placing the rabbit hair soaked in the S5 into special cleaning equipment, washing the rabbit hair by high-pressure ionized water generated by the cleaning equipment, and cleaning the sodium carbonate solution in the rabbit hair;

s7, drying rabbit hair: putting the rabbit hair washed in the step S6 into drying equipment, and drying the rabbit hair;

s8, modification and grafting treatment: taking out the processed rabbit hair fibers with the bath ratio of 180: 1-220: 1 in S7, taking out the mixed solution of the L-cysteine solution and the graphene oxide prepared in S3, and putting the L-cysteine solution and the graphene oxide into a conical flask for mixing and soaking;

s9, ultrasonic treatment: placing the rabbit hair fibers treated in the step S8 in ultrasonic equipment, selecting ultrasonic power of 80-100W, water bath temperature of 70-80 ℃, and treatment time of 50-70 min, and carrying out ultrasonic treatment on the rabbit hair fibers;

s10, final processing: and (3) cleaning the graphene modified rabbit hair fibers prepared in the S9 by using absolute alcohol, and drying the graphene modified rabbit hair fibers in drying equipment after cleaning, wherein the drying temperature is set to be 50-60 ℃.

In the step S3, a magnetic stirrer is used, the rotating speed is 20 revolutions per second, and the stirring time is controlled to be 5-6 minutes, so that the L-cysteine solid can be fully dissolved.

The soaking time in the S5 is one hour, and the sodium carbonate solution can be ensured to be completely immersed in the rabbit hair, so that the rabbit hair is ensured to have an effective effect.

And in the S7, the drying temperature is set to be 55-65 ℃, the drying time is 45-50 minutes, and the time for soaking the rabbit hair fibers in the mixed solution of the L-cysteine solution and the graphene oxide in the S8 is two hours.

Graphene is a novel carbon nanometer light material, has a unique monoatomic layer two-dimensional crystal structure, a high specific surface area, high strength, electrical conductivity and thermal conductivity, has high absorption efficiency on various light rays, has an ideal fast shielding effect, and has poor dispersibility, so that the graphene oxide is commonly used for processing, and then the graphene oxide is obtained by using an oxidation-reduction method, wherein the surface of the graphene oxide contains rich oxygen-containing functional groups, the graphene oxide contains-0H and C-0-C on a plane, and the edge of a lamella contains C-0 and C0OH functional groups, compared with the graphene oxide, the graphene oxide has very good hydrophilicity and surface activity, can be intercalated and separated by small molecules or other polymers, has a large specific surface area, good electrical conductivity and excellent mechanical properties, and plays a very important role in improving the comprehensive properties of the material, such as thermal property, electricity property, mechanical property and the like, therefore, graphene oxide is selected as an improved raw material;

the system can produce novel graphene modified rabbit hair fiber, wherein the unique performance of graphene oxide is utilized to effectively improve the performance of rabbit hair fiber, the system is relatively simple in actual operation and clear and complete in steps, the difficulty in spinning pure rabbit hair fiber is greatly reduced, wool spinning carding equipment does not need to be introduced or improved, common wool spinning instruments and equipment can be used, the problem that a net is difficult to form in the spinning process is solved, the graphene modified rabbit hair fiber not only has the excellent performance of the rabbit hair fiber, but also has the functional characteristics of antibiosis, bacteriostasis, ultraviolet protection, far infrared health protection and the like, and when the graphene modified rabbit hair fiber is blended with other fibers, the excellent characteristics of the rabbit hair fiber can be achieved by adding a small amount of the graphene modified rabbit hair fiber, and the functional characteristics of antibiosis, bacteriostasis, ultraviolet protection, far infrared health protection and the like can be obtained, the performance of the graphene modified rabbit hair fiber is far superior to that of the rabbit hair fiber, and the application value is very high.

The working principle is as follows:

s1, preparing an L-cysteine solution: dissolving L-cysteine in deionized water to prepare an L-cysteine solution with the concentration of 0.03-0.05mol/L, wherein when the L-cysteine solution is prepared, in order to prevent the waste caused by excessive solution preparation, the dosage of the ionized water and the L-cysteine is selected according to specific conditions, and the concentration is ensured to be between 0.03-0.05 mol/L;

s2, preparing a graphene oxide solution: dissolving graphene oxide in purified water to prepare a graphene oxide solution with the concentration of 5g/L, wherein the preparation amount of the graphene oxide solution needs to be consistent with that of the L-cysteine solution;

s3, preparing a mixed solution of L-cysteine solution and graphene oxide: taking out the L-cysteine solution and the graphite oxide solution prepared in the S1 and S2 by the same amount, using a magnetic stirrer, setting the rotating speed to be 20 r/S, controlling the stirring time to be 5-6 minutes, and ensuring that the L-cysteine solid can be fully dissolved and mixed together, thereby preparing a mixed solution of the L-cysteine solution and the graphite oxide;

s4, rabbit hair screening: firstly, removing obvious impurities in the rabbit hair by manpower, then conveying the rabbit hair into screening equipment, and further removing smaller impurities doped in the rabbit hair by the screening equipment;

s5, rabbit hair soaking: placing the rabbit hair screened in the S4 into a container filled with a sodium carbonate solution with the concentration of 0.06-0.08 moL/L, soaking the rabbit hair for one hour to remove grease, natural impurities and peculiar smell on the surface layer of the rabbit hair, and ensuring that the sodium carbonate solution can completely immerse the rabbit hair to play an effective role in the rabbit hair;

s6, washing rabbit hair: placing the rabbit hair soaked in the S5 into special cleaning equipment, washing the rabbit hair by high-pressure ionized water generated by the cleaning equipment, and cleaning the sodium carbonate solution in the rabbit hair;

s7, drying rabbit hair: placing the rabbit hair washed in the step S6 into a drying device, drying the rabbit hair, setting the drying temperature at 55-65 ℃, drying for 45-50 minutes, and soaking the rabbit hair fiber in a mixed solution of an L-cysteine solution and graphene oxide in the step S8 for two hours;

s8, modification and grafting treatment: taking out the processed rabbit hair fibers with the bath ratio of 180: 1-220: 1 in S7, taking out the mixed solution of the L-cysteine solution and the graphene oxide prepared in S3, and putting the L-cysteine solution and the graphene oxide into a conical flask for mixing and soaking;

s9, ultrasonic treatment: placing the rabbit hair fibers treated in the step S8 in ultrasonic equipment, selecting ultrasonic power of 80-100W, water bath temperature of 70-80 ℃, and treatment time of 50-70 min, and carrying out ultrasonic treatment on the rabbit hair fibers;

s10, final processing: and (3) cleaning the graphene modified rabbit hair fiber prepared in the S9 by using absolute alcohol, and drying the graphene modified rabbit hair fiber in a drying device after cleaning, wherein the drying temperature is set to be 50-60 ℃, the time is 30 minutes, and the graphene modified rabbit hair fiber is prepared after drying.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.