阅读说明：本技术 一种含石墨烯量子点的乳胶枕及其制备方法 (Latex pillow containing graphene quantum dots and preparation method thereof ) 是由 万勇 于 2021-01-11 设计创作，主要内容包括：本发明涉及乳胶枕技术领域,提供了一种含石墨烯量子点的乳胶枕及其制备方法,包括以下重量份数的组分：天然乳胶：80-100份；硫化剂：3-8份；油酸钾：1-6份；氧化锌：2-8份；蓖麻油酸钾：0.5-5份；石墨烯量子点：0.5份。本发明克服了现有技术的不足,设计合理,结构紧凑,解决了现有的乳胶枕的散湿性较差,易氧化,也容易滋生细菌或者发生霉变,产生有害微生物,容易对人体健康构成威胁的问题,本发明通过简单的工艺方法,将石墨烯材料与乳胶枕完美的融合在一起,同时不影响乳胶枕的性能,还具备石墨烯材料的特性,具备远红外杀菌的功能,同时加工工艺简单,具有很强的实用性。(The invention relates to the technical field of latex pillows, and provides a latex pillow containing graphene quantum dots and a preparation method thereof, wherein the latex pillow comprises the following components in parts by weight: natural latex: 80-100 parts of a binder; vulcanizing agent: 3-8 parts; potassium oleate: 1-6 parts; zinc oxide: 2-8 parts; potassium ricinoleate: 0.5-5 parts; graphene quantum dots: 0.5 part. The invention overcomes the defects of the prior art, has reasonable design and compact structure, solves the problems that the existing latex pillow has poor moisture dissipating performance, is easy to oxidize, is easy to breed bacteria or mildew, generates harmful microorganisms and is easy to threaten human health, perfectly fuses the graphene material and the latex pillow together by a simple process method, does not influence the performance of the latex pillow, has the characteristics of the graphene material, has the far infrared sterilization function, has simple processing technology and strong practicability.)

1. The latex pillow containing graphene quantum dots is characterized by comprising the following components in parts by weight:

natural latex: 80-100 parts of a binder;

vulcanizing agent: 3-8 parts;

potassium oleate: 1-6 parts;

zinc oxide: 2-8 parts;

potassium ricinoleate: 0.5-5 parts;

graphene quantum dots: 0.5 part.

2. The latex pillow containing graphene quantum dots and the preparation method thereof as claimed in claim 1, wherein: the graphene quantum dots refer to a novel carbon nano material with the size of graphene sheet layers within 100nm and the number of the sheet layers below 10.

3. The preparation method of the latex pillow containing the graphene quantum dots, as claimed in claim 1, comprises the following steps:

the method comprises the following steps: mixing 80-100 parts of natural latex, 3-8 parts of vulcanizing agent, 1-6 parts of potassium oleate, 0.5-5 parts of potassium ricinoleate and 0.5 part of graphene quantum dots according to a formula by an automatic mixing system;

step two: curing reaction, namely adding the prepared material in the step one into a curing reaction kettle, and dispersing, mixing and curing at a high speed in the curing reaction kettle; ensuring that all dispersions are fully mixed and subjected to a ripening reaction at a set temperature;

step three: foaming and shaping, namely conveying the aged latex to a foaming machine for foaming after the aging is finished, and adding 2-8 parts of zinc oxide for foaming;

step four: and (3) carrying out vulcanization reaction, namely vulcanizing by using a steam vulcanizing device, and demolding, washing and drying the vulcanized product.

4. The preparation method of the latex pillow containing the graphene quantum dots, according to claim 3, is characterized in that: in the second step, the pH value of the curing reaction is between 9 and 10, and the viscosity is 800-1500 mPa.s; the ripening time is 8-12h, and the temperature is 35-40 ℃.

5. The preparation method of the latex pillow containing the graphene quantum dots, according to claim 3, is characterized in that: the rotating speed of the foaming disc in the third step is 600r/min, the flow rate of the gel is 580kg/min, and the flow rate of the zinc oxide is 6 kg/min.

6. The preparation method of the latex pillow containing the graphene quantum dots, according to claim 3, is characterized in that: the third step also comprises the processes of injection molding and shaping.

7. The preparation method of the latex pillow containing the graphene quantum dots, according to claim 3, is characterized in that: and in the fourth step, the vulcanization reaction is carried out by adopting a steam vulcanization device at the temperature of 90-110 ℃ for 20-40 min.

Technical Field

The invention relates to the technical field of latex pillows, in particular to a latex pillow containing graphene quantum dots and a preparation method thereof.

Background

With the rapid development of society, health problems are gaining more and more attention in people's daily life, wherein sufficient sleep is one of three major indicators of internationally recognized health. Ensuring good sleep affects the physical and psychological health of people.

The pillow is an indispensable part in the sleeping step, the comfort level of the pillow greatly influences the sleeping quality of people, people select the pillow more and more cautiously, and the natural latex is popular with consumers due to the advantages of high resilience, no deformation, no toxicity, no static electricity, super softness, skin friendliness and the like.

However, natural latex has a certain antibacterial property, but the antibacterial effect is not satisfactory. When in use, the product is often in direct contact with human body, and is easy to be stained with secretion such as human sweat and the like, so that bacteria and mites are bred; in addition, due to the fact that the moisture-dispersing property is poor, the latex pillow is easy to oxidize, bacteria are easy to breed or mildew, harmful microorganisms are produced, and the threat to human health is easy to cause.

For example, the Chinese patent CN201721112024.1 multifunctional far infrared graphene pillow comprises an outer core and an inner core, wherein the inner core is positioned in the inner cavity of the outer core; the upper surface mounting of inner core has graphite alkene to heat the membrane and/or is equipped with the sealing bag of Chinese herbal medicine material, but at the in-process of in-service use, drops easily, and the travelling comfort is relatively poor moreover, can not be fine fuse into the latex pillow.

In order to facilitate the fusion of graphene materials into latex pillows, a latex pillow containing graphene quantum dots and a preparation method thereof are provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the latex pillow containing the graphene quantum dots and the preparation method thereof, overcomes the defects of the prior art, has reasonable design and compact structure, and solves the problems that the existing latex pillow has poor moisture dissipating property, is easy to oxidize, is easy to breed bacteria or mildew, generates harmful microorganisms, and is easy to threaten human health.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

further, the latex pillow containing the graphene quantum dots comprises the following components in parts by weight:

natural latex: 80-100 parts of a binder;

vulcanizing agent: 3-8 parts;

potassium oleate: 1-6 parts;

zinc oxide: 2-8 parts;

potassium ricinoleate: 0.5-5 parts;

graphene quantum dots: 0.5 part.

Furthermore, the graphene quantum dots refer to a novel carbon nano material with the size of graphene sheet layers within 100nm and the number of the sheet layers below 10.

Further, a preparation method of the latex pillow containing the graphene quantum dots comprises the following steps:

the method comprises the following steps: mixing 80-100 parts of natural latex, 3-8 parts of vulcanizing agent, 1-6 parts of potassium oleate, 0.5-5 parts of potassium ricinoleate and 0.5 part of graphene quantum dots according to a formula by an automatic mixing system;

step two: curing reaction, namely adding the prepared material in the step one into a curing reaction kettle, and dispersing, mixing and curing at a high speed in the curing reaction kettle; ensuring that all dispersions are fully mixed and subjected to a ripening reaction at a set temperature;

step three: foaming and shaping, namely conveying the aged latex to a foaming machine for foaming after the aging is finished, and adding 2-8 parts of zinc oxide for foaming;

step four: and (3) carrying out vulcanization reaction, namely vulcanizing by using a steam vulcanizing device, and demolding, washing and drying the vulcanized product.

Further, in the second step, the pH of the curing reaction is between 9 and 10, and the viscosity is 800-1500 mPa.s; the ripening time is 8-12h, and the temperature is 35-40 ℃.

Furthermore, the rotating speed of the foaming disc in the third step is 600r/min, the flow rate of the gel is 580kg/min, and the flow rate of the zinc oxide is 6 kg/min.

Furthermore, the third step also comprises the processes of injection molding and shaping.

Further, in the fourth step, the vulcanization reaction is carried out by adopting a steam vulcanization device, the temperature is 90-110 ℃, and the time is 20-40 min.

(III) advantageous effects

The embodiment of the invention provides a latex pillow containing graphene quantum dots and a preparation method thereof. The method has the following beneficial effects:

(1) can be perfect fuse together graphite alkene and latex, do not influence the elasticity of latex simultaneously, the latex pillow that contains graphite alkene quantum dot has good long-term antibiotic antibacterial effect and far infrared function simultaneously, can promote human microcirculation.

(2) The graphene quantum dot latex pillow provided by the invention has good rebound resilience, and the hand feeling is not changed along with the addition of additives.

(3) The graphene quantum dot latex pillow has the characteristics of no toxicity, no harm, no peculiar smell and good biocompatibility, so that the graphene quantum dot latex pillow provided by the invention has the characteristics of environmental protection, no toxicity and the like

(4) The graphene quantum dot latex pillow provided by the invention is simple in preparation process and strong in operability.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but 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.

A latex pillow containing graphene quantum dots comprises the following components in parts by weight:

natural latex: 80-100 parts of a binder;

vulcanizing agent: 3-8 parts of cross-linking agent, wherein the cross-linking agent can form cross-linking bonds among elastomer molecules, and is partially or completely introduced into the molecules in a cross-linking reaction to form the cross-linking bonds, so that the overall elasticity and resilience are improved;

potassium oleate: 1-6 parts of foaming agent;

zinc oxide: 2-8 parts of a vulcanization accelerator;

potassium ricinoleate: 0.5-5 parts of latex foam stabilizer, which can prevent latex foam from breaking;

graphene quantum dots: 0.5 part.

The Graphene Quantum Dots (GQDs) are used as carbon dots, namely novel carbon nano materials with the Graphene lamellar size within 100nm and the number of lamellar layers below 10, polarity treatment is carried out on the Graphene materials, the Graphene materials are conveniently blended into latex, and meanwhile, the performance of the latex is not changed.

A preparation method of a latex pillow containing graphene quantum dots comprises the following steps:

the method comprises the following steps: the components are proportioned, and 100 parts of natural latex, 6 parts of vulcanizing agent, 4 parts of potassium oleate, 1.5 parts of potassium ricinoleate and 0.5 part of graphene quantum dots are proportioned according to a formula by an automatic batching system;

step two: curing reaction, namely adding the prepared material in the step one into a curing reaction kettle, and dispersing, mixing and curing at a high speed in the curing reaction kettle; ensuring that all dispersions are fully mixed and subjected to a ripening reaction at a set temperature; and adjusting the pH value of the whole curing system to be between 9 and 10, and the viscosity to be 800-1500 mPa.s; the ripening time is 8-12h, and the temperature is 35-40 ℃.

Step three: and (3) foaming and shaping, namely conveying the aged latex to a foaming machine for foaming when the aging time is 12 hours, adding 2-8 parts of zinc oxide, foaming, injection molding and shaping. At the moment, the rotating speed of the foaming disc is 600r/min, the flow rate of the gel is 580kg/min, and the flow rate of the zinc oxide is 6 kg/min;

step four: carrying out vulcanization reaction, namely vulcanizing by using a steam vulcanizing device, and demolding, washing and drying a vulcanized product; vulcanizing by using a steam vulcanizing device at 90-110 deg.C for 20-40 min.

The technology adds the graphene quantum dots into the natural latex pillow, and has little or no pungent smell. The latex product provided by the technology is prepared from the natural latex obtained by preservation; the latex product provided by the technology has an antibacterial function and small pungent smell. In addition, the latex product provided by the technology also has a far infrared function and can promote microcirculation of a human body. The latex product has excellent mechanical property, adsorption function, moisture absorption and sweat releasing function and the like, and has good application performance.

The graphene quantum dot latex pillow prepared by the method is simple and rapid in preparation process, has small or even no pungent smell, has an antibacterial function, and is small in pungent smell. In addition, the latex product provided by the technology also has a far infrared function and can promote microcirculation of a human body.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.