阅读说明：本技术 一种生物质三防整理剂及其制备方法 (Biomass three-proofing finishing agent and preparation method thereof ) 是由 徐有琦 于 2019-09-03 设计创作，主要内容包括：本发明公开了一种生物质三防整理剂及其制备方法,所述的生物质三防整理剂由如下重量份数的原料组成：生物质活性成分2～5份、生物质微米颗粒0.2～1份、天然纳米微粒0.01～0.1份、分散增稠剂1～3份、pH值调节剂0.1～1份、溶剂25～40份。本发明的生物质三防整理剂的制备全部采用天然生物基或矿物原料,对环境友好,无污染,无氟,同时拒水拒油效果显著,使用后余料可生物降解。(The invention discloses a biomass three-proofing finishing agent and a preparation method thereof, wherein the biomass three-proofing finishing agent is prepared from the following raw materials in parts by weight: 2-5 parts of biomass active ingredients, 0.2-1 part of biomass micro-particles, 0.01-0.1 part of natural nanoparticles, 1-3 parts of dispersing thickening agents, 0.1-1 part of pH value regulators and 25-40 parts of solvents. The biomass three-proofing finishing agent disclosed by the invention is prepared by completely adopting natural bio-based or mineral raw materials, is environment-friendly, pollution-free and fluorine-free, has obvious water and oil repellent effects, and can be used for biologically degrading residual materials after being used.)

1. A biomass three-proofing finishing agent is characterized in that: the biomass three-proofing finishing agent comprises the following raw materials in parts by weight: 2-5 parts of biomass active ingredients, 0.2-1 part of biomass micro-particles, 0.01-0.1 part of natural modified nano-particles, 1-3 parts of dispersing thickening agents, 0.1-1 part of pH value regulators and 25-40 parts of solvents.

2. The biomass three-proofing finishing agent according to claim 1, characterized in that: the biomass active component is one or a composition of more than two of sucrose fatty acid ester, cardanol, tea saponin, rhamnolipid and ginkgolide.

3. The biomass three-proofing finishing agent according to claim 1, characterized in that: the biomass micro-particles are any one or a composition of more than two of dried raw lacquer particles, bamboo charcoal particles, rubber particles and palm wax particles.

4. The biomass three-proofing finishing agent according to claim 1, characterized in that: the natural modified nano particles are any one or a composition of more than two of nano modified starch, magnet particles, superfine bauxite and rutile type titanium dioxide.

5. The biomass three-proofing finishing agent according to claim 1, characterized in that: the dispersion thickening agent is one or a composition of more than two of guar gum, sodium alginate and salt.

6. The biomass three-proofing finishing agent according to claim 1, characterized in that: the pH regulator is one or more of acidic and alkaline substances selected from white vinegar, citric acid, malic acid, plant ash, soda ash and baking soda.

7. The biomass three-proofing finishing agent according to claim 1, characterized in that: the solvent is a composition of water, alcohol and lotus leaf extract.

8. The preparation method of the biomass three-proofing finishing agent according to any one of claims 1 to 7, characterized by comprising the following specific steps:

adding 10-20 parts of lotus leaf epidermis into a medicine grinder, grinding, adding 90-160 parts of water, homogenizing for 20min at 5000-10000 rpm by using a homogenizer, separating liquid, and taking one tenth of the upper layer to obtain 10-18 parts of lotus leaf extracting solution;

sequentially adding 2-5 parts of biomass active ingredients, 0.2-1 part of biomass micro-particles and 0.01-0.1 part of natural modified nano-particles into a container, adding 10-18 parts of lotus leaf extract, stirring for 15min at 800-2000 rpm by using a high-speed stirrer, adding 1-3 parts of dispersing thickening agent, and continuously stirring for 5-10 min;

and adding 0.05-0.5 part of acidic pH value regulator into the solution obtained in the last step, stirring for 10min at 1000-2500 rpm by using a high-speed stirrer, and then adding 10-15 parts of water, 5-7 parts of alcohol and a proper amount of alkaline pH value regulator to adjust the pH value to about 7.0, thus obtaining the biomass three-proofing finishing agent.

9. The biomass three-proofing finishing agent according to claim 1 or 3, characterized in that: the particle size range of the biomass micro-particles is 10-50 mu m, and the average particle size is 15 mu m.

10. The biomass three-proofing finishing agent according to claim 1 or 4, characterized in that: the natural modified nano particles have the particle size range of 50-800 nm and the average particle size of 100 nm; the modification method comprises the steps of adding nanoparticles into alcohol with the mass being 80-100 times of that of the nanoparticles, then dropwise adding biomass active ingredients with the mass fraction being 200-500% of the nanoparticles, magnetically stirring for 24 hours, carrying out suction filtration, and drying at 60 ℃ to obtain the natural modified nanoparticles.

Technical Field

The invention belongs to the technical field of after-finishing agents, and particularly relates to a biomass three-proofing finishing agent and a preparation method thereof.

Background

In recent years, three-proofing finishes have been the focus of research. The three-proofing finishing agent is an after-finishing agent suitable for most textile fabrics. It is prepared with nanometer organosilicon or organic fluorine as main material and through emulsification, high temperature crosslinking, etc. to provide fabric with low surface energy and high roughness and to endow fabric with excellent water and oil repellent and antifouling functions.

At present, the three-proofing finishing agent is almost all of synthetic chemical substances containing fluorine and the like, has certain biological enrichment toxicity and is not environment-friendly enough. When in use, the materials are often required to be subjected to processes such as high-temperature crosslinking and the like, and are not simple and convenient. However, a three-proofing finishing agent which is prepared by completely adopting natural raw materials such as a bio-based material and does not need high-temperature treatment does not exist, so that the development of a biomass three-proofing finishing agent which is convenient to prepare and use and has long-acting and excellent effects is urgently needed.

Disclosure of Invention

The invention aims to provide a biomass three-proofing finishing agent and a preparation method thereof, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a biomass three-proofing finishing agent is characterized in that: the biomass three-proofing finishing agent comprises the following raw materials in parts by weight: 2-5 parts of biomass active ingredients, 0.2-1 part of biomass micro-particles, 0.01-0.1 part of natural modified nano-particles, 1-3 parts of dispersing thickening agents, 0.1-1 part of pH value regulators and 25-40 parts of solvents.

As a preferable scheme of the biomass three-proofing finishing agent disclosed by the invention: the biomass active component is one or a composition of more than two of sucrose fatty acid ester, cardanol, tea saponin, rhamnolipid and ginkgolide.

As a preferable scheme of the biomass three-proofing finishing agent disclosed by the invention: the biomass micro-particles are any one or a composition of more than two of dried raw lacquer particles, bamboo charcoal particles, rubber particles and palm wax particles.

As a preferable scheme of the biomass three-proofing finishing agent disclosed by the invention: the natural modified nano particles are any one or a composition of more than two of nano modified starch, magnet particles, superfine bauxite and rutile type titanium dioxide.

As a preferable scheme of the biomass three-proofing finishing agent disclosed by the invention: the dispersion thickening agent is one or a composition of more than two of guar gum, sodium alginate and salt.

As a preferable scheme of the biomass three-proofing finishing agent disclosed by the invention: the pH regulator is one or more of acidic and alkaline substances selected from white vinegar, citric acid, malic acid, plant ash, soda ash and baking soda.

As a preferable scheme of the biomass three-proofing finishing agent disclosed by the invention: the solvent is a composition of water, alcohol and lotus leaf extract.

Further, the preparation method of the biomass three-proofing finishing agent is characterized by comprising the following steps: the method comprises the following specific steps:

adding 10-20 parts of lotus leaf epidermis into a medicine grinder, grinding, adding 90-160 parts of water, homogenizing for 20min at 5000-10000 rpm by using a homogenizer, separating liquid, and taking one tenth of the upper layer to obtain 10-18 parts of lotus leaf extracting solution;

sequentially adding 2-5 parts of biomass active ingredients, 0.2-1 part of biomass micro-particles and 0.01-0.1 part of natural modified nano-particles into a container, adding 10-18 parts of lotus leaf extract, stirring for 15min at 800-2000 rpm by using a high-speed stirrer, adding 1-3 parts of dispersing thickening agent, and continuously stirring for 5-10 min;

and adding 0.05-0.5 part of acidic pH value regulator into the solution obtained in the last step, stirring for 10min at 1000-2500 rpm by using a high-speed stirrer, and then adding 10-15 parts of water, 5-7 parts of alcohol and a proper amount of alkaline pH value regulator to adjust the pH value to about 7.0, thus obtaining the biomass three-proofing finishing agent.

Further, the particle size range of the biomass micro-particles is 10-50 mu m, and the average particle size is 15 mu m.

Furthermore, the particle size range of the natural modified nano particles is 50-800 nm, and the average particle size is 100 nm; the modification method comprises the steps of adding nanoparticles into alcohol with the mass being 80-100 times of that of the nanoparticles, then dropwise adding biomass active ingredients with the mass fraction being 200-500% of the nanoparticles, magnetically stirring for 24 hours, carrying out suction filtration, and drying at 60 ℃ to obtain the natural modified nanoparticles.

Compared with the prior art, the invention has the beneficial effects that:

1. the biomass three-proofing finishing agent provided by the invention adopts medical-grade raw materials, is completely taken from organisms or minerals, is purely natural and nontoxic, does not contain fluorine, and is widely applicable to various fabrics.

2. The biomass three-proofing finishing agent has obvious water-repellent and oil-repellent finishing effect, and the excess materials can be biodegraded after use, so that the use process is pollution-free.

3. According to the biomass three-proofing finishing agent, the roughness is constructed through biomass micro-particles and natural modified nano-particles, the micro-nano particles are etched through a pH value regulator, the micro-nano rough structure is further strengthened, the micro-nano particles are modified through biomass active ingredients, and low surface energy is provided; the biomass three-proofing finishing agent is endowed with better water-repellent and oil-repellent finishing performance by the synergistic effect of all the components.

4. The biomass three-proofing finishing agent disclosed by the invention adopts an aqueous solvent instead of an organic solvent, and is added with a dispersing thickening agent which is easily soluble in water, so that the biomass three-proofing finishing agent is more environment-friendly, uniform and stable, and the water-repellent and oil-repellent finishing effect of the biomass three-proofing finishing agent is also enhanced surprisingly. Particularly, the adding of the lotus leaf extracting solution effectively improves the oleophobic finishing performance of the biomass three-proofing finishing agent, which fully shows that the water and oil repellent effect of the biomass three-proofing finishing agent is not simply dependent on the synergistic interaction of the micro-nano coarse structure and the low surface energy substance, but is a result of the combined action of all the components such as the solvent, the biomass extracting solution, the dispersion thickening agent and the like.

5. The biomass three-proofing finishing agent disclosed by the invention is simple in production process and simple and convenient in use method, can be used in various modes such as spraying and dipping, does not need high-temperature treatment, and only needs to be dried at room temperature.

6. The biomass three-proofing finishing agent disclosed by the invention is low in cost, renewable in raw materials and capable of being diluted by any aqueous solvent during use.

7. The physical properties of the finished fabric are hardly affected, the whiteness is unchanged, and the fabric does not feel stiff and heavy.

Detailed description of the preferred embodiment

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with examples are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Test method

And (3) testing the waterproof and oil-proof performance: soaking the fabric into 20-50% of diluent of the biomass three-proofing finishing agent, rolling out liquid after completely soaking, wherein the rolling residual rate is 50% -80%, then drying for 15min at 60 ℃ or naturally drying, and measuring the water and oil repellency of the fabric through the contact angle of deionized water, soybean oil and the fabric.