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Environment-friendly binder for bamboo fiber product

A binder and bamboo fiber technology, applied in the direction of adhesives, adhesive types, starch adhesives, etc., can solve the problems of moldy spots, affecting the appearance and use, and unavoidable formaldehyde, so as to increase the bactericidal and anti-bacterial properties Mildew resistance, good stability and dispersibility, and the effect of preventing the binder from falling off

Active Publication Date: 2015-01-07
安吉竹印象家居用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although bamboo fiber products have certain antibacterial properties, they will still produce moldy spots after repeated use, which will affect the appearance and use
[0003] Adhesives can be widely used in many fields such as wood processing, architectural decoration, fabric bonding, etc., and the market is broad. However, most of the existing adhesives inevitably contain harmful substance formaldehyde. Free formaldehyde will be released after use, and the environmental performance remains to be seen. improve
[0004] CN102690618B (2013-12-4) discloses a preparation method of a thermosetting acrylic resin binder, but the binder is mainly used for glass wool and is not suitable for bamboo fiber products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Preparation of nano silver:

[0040] (1) Add sodium dodecyl sulfonate solution, water-based polyacrylate and hydrazine hydrate solution to silver nitrate aqueous solution to obtain a mixed solution. The molar ratio of sodium dodecyl sulfonate to silver nitrate is 4:1; water-based The molar ratio of polyacrylate to silver nitrate is 0.4:1; the molar ratio of hydrazine hydrate to silver nitrate is 0.2:1;

[0041] (2) Add dicyclohexyl-18-crown-6 and sodium metaphosphate to the mixture, the molar ratio of dicyclohexyl-18-crown-6 to silver nitrate is 3:1; sodium metaphosphate and The molar ratio of silver nitrate is 0.8:1, and the pH value is controlled to be 8-9 to obtain nano silver.

[0042] The composition ratio of the environmental protection adhesive used for bamboo fiber products:

[0043] 25 parts of phthalic anhydride, 7 parts of furfuryl alcohol extracted from corncob residue, 10 parts of triethylene glycol, 15 parts of glutaric acid, 8 parts of butanetriol, 5 pa...

Embodiment 2

[0053] Preparation of nano silver:

[0054] (1) Add sodium dodecyl sulfonate solution, water-based polyacrylate and hydrazine hydrate solution to silver nitrate aqueous solution to obtain a mixed solution. The molar ratio of sodium dodecyl sulfonate to silver nitrate is 6:1; The molar ratio of polyacrylate to silver nitrate is 0.6:1; the molar ratio of hydrazine hydrate to silver nitrate is 0.3:1;

[0055] (2) Add dicyclohexyl-18-crown-6 and sodium metaphosphate to the mixture, the molar ratio of dicyclohexyl-18-crown-6 to silver nitrate is 5:1; sodium metaphosphate and The molar ratio of silver nitrate is 1.3:1, and the pH value is controlled to be 8-9 to obtain nano silver.

[0056] The composition ratio of the environmental protection adhesive used for bamboo fiber products:

[0057] 35 parts of phthalic anhydride, 11 parts of furfuryl alcohol extracted from oat or wheat bran, 12 parts of triethylene glycol, 18 parts of glutaric acid, 10 parts of butanetriol, 7 parts of z...

Embodiment 3

[0066] Preparation of nano silver:

[0067] (1) Add sodium dodecyl sulfonate solution, water-based polyacrylate and hydrazine hydrate solution to silver nitrate aqueous solution to obtain a mixed solution. The molar ratio of sodium dodecyl sulfonate to silver nitrate is 5:1; water-based The molar ratio of polyacrylate to silver nitrate is 0.5:1; the molar ratio of hydrazine hydrate to silver nitrate is 0.25:1;

[0068] (2) Add dicyclohexyl-18-crown-6 and sodium metaphosphate to the mixture, the molar ratio of dicyclohexyl-18-crown-6 to silver nitrate is 4:1; sodium metaphosphate and The molar ratio of silver nitrate is 1:1, and the pH value is controlled to be 8-9 to obtain nano silver.

[0069] The composition ratio of the environmental protection adhesive used for bamboo fiber products:

[0070] 30 parts of phthalic anhydride, 7-11 parts of furfuryl alcohol extracted from bamboo sawdust, 11 parts of triethylene glycol, 16 parts of glutaric acid, 9 parts of butanetriol, 6 p...

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Abstract

The invention relates to an environment-friendly binder, in particular to an environment-friendly binder for a bamboo fiber product. The environment-friendly binder is prepared from the following raw materials in parts by weight: 25-35 parts of phthalic anhydride, 7-11 parts of furfuryl alcohol extracted from natural plants, 10-12 parts of triethylene glycol, 15-18 parts of glutaric acid, 8-10 parts of butantriol, 5-7 parts of zinc oxide, 3-5 parts of magnesium oxide, 15-25 parts of chloroprene rubber, 70-95 parts of elastic rubber, 2-3 parts of softening oil, 15-20 parts of dimethyl carbonate, 1-3 parts of benzoyl peroxide, 4-8 parts of ethyl acetate, 1-4 parts of an emulsifier, 20-30 parts of flour, 5*10<-5> to 9*10<-5> parts of nano silver, and 1-3 parts of a fire retardant, wherein the elastic rubber comprises first elastic rubber and second elastic rubber which are mixed according to the weight ratio of (1-3):1; the first elastic rubber comprises the following components in parts by weight: 10-35 parts of acrylic resin emulsion with the solid content of 60-70%, 10-15 parts of waterborne polyurethane, 5-8 parts of acrylic resin powder, 2-6 parts of EVA (Ethylene Vinyl Acetate Copolymer) emulsion with the solid content of 20-35%, and 1-4 parts of chlorinated polypropylene. The binder disclosed by the invention is good in bactericidal activity, stability, dispersing performance and bonding property.

Description

technical field [0001] The invention relates to an environment-friendly adhesive, in particular to an environment-friendly adhesive used for bamboo fiber products. Background technique [0002] Bamboo fiber currently on the market has the following two classes: one is the regenerated fiber produced from bamboo pulp, commonly referred to as bamboo pulp fiber; the other is the fiber directly extracted from bamboo through a special process, called raw bamboo fiber. Because bamboo fiber has more superior properties in terms of hygroscopicity, air permeability, and spinnability, the study of spinnable bamboo fiber has obvious economic benefits and good social benefits. Although bamboo fiber products have certain antibacterial properties, they will still produce mildew spots after repeated use, which will affect the appearance and use. [0003] Adhesives can be widely used in many fields such as wood processing, architectural decoration, fabric bonding, etc., and the market is br...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/00C09J175/04C09J123/08C09J123/28C09J111/00C09J151/00C09J103/02C09J11/04C09J11/06C08F291/12
Inventor 曹小生
Owner 安吉竹印象家居用品有限公司