Non-halogen flame-proof acrylic resin for reflective cloth

A technology of acrylic resin and reflective cloth, used in textiles, papermaking, fiber processing, etc., can solve problems such as affecting the bonding strength of resin beads and the retro-reflection performance of reflective cloth.

Inactive Publication Date: 2009-02-18
南京夜视丽精细化工有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, adding a certain amount of halogen-free flame-retardant materials to the resin layer used in the existing refl

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment 1 (preparation of acrylate polymer)

[0036] Based on the total weight of the acrylate polymer of the present invention, weigh 27% of butyl acrylate, 14.7% of ethyl acrylate, 1.9% of methyl acrylate, 5% of hydroxypropyl acrylate, 1.1% of maleic acid, azo 0.3% of diisobutyronitrile (initiator), 16% of ethyl acetate, 34% of toluene, the above-mentioned substances are intermittently added dropwise to the reaction kettle by the nitrogen protection solvent method for polymerization, and the stirring is started and the temperature is rapidly raised to reflux, and the reflux is 1.5 Hours, then drip the initiator solution once in 1 hour, complete in 5 hours. And maintain the reflux state, keep warm for 2 hours, cool to about 30°C, filter and discharge the material, the solid content is 50%, and the viscosity is 3000cps / 25°C.

Embodiment 2

[0037] Embodiment 2 (preparation of acrylate polymer)

[0038] Based on the total weight of the acrylate polymer of the present invention, weigh 20% of octyl acrylate, 8.8% of ethyl acrylate, 2% of maleic acid, 4% of hydroxyethyl methacrylate, azobisisobutyronitrile (Initiator) 0.2%, toluene 40%, ethyl acetate, methyl isobutyl ketone mixed solvent 25%, polymerization reaction is carried out by embodiment 1, solid content is 35%, viscosity 2000cps / 25 ℃.

Embodiment 3

[0039] Embodiment 3 (preparation of acrylate polymer)

[0040] Based on the total weight of the acrylate polymer of the present invention, weigh 30% of butyl methacrylate, 5% of methyl methacrylate, 5% of hydroxypropyl acrylate, 2.76% of glycidyl methacrylate, butene diacid 2%, azobisisobutyronitrile (initiator) 0.2%, benzoyl peroxide 0.04% (initiator), ethyl acetate 25%, toluene 15%, butyl acetate 15%. The above-mentioned substances are intermittently added dropwise into the reaction kettle by the nitrogen protection solvent method for polymerization, and the stirring is started and the temperature is rapidly raised to reflux. After the reflux state was stable, the initiator solution and monomers were added dropwise and completed in 4 hours. And maintain the reflux state, keep it warm for 4 hours, cool to about 30°C and filter out the material, the solid content is 45%, and the viscosity is 3500cps / 25°C.

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PUM

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Abstract

Disclosed is halogen-free flame-retarding acrylic resin for reflection fabric, prepared through the following steps: 1) polymerizing maleic acid and acrylate monomer; wherein: A, the comonomer contains (based on weight percentage)1-8%of maleic acid, 3-15% hydroxypropyl acrylate, 10-20%of hard acrylic ester monomer, 5-25%of medium-soft acrylic ester monomer, 40-60%of soft acrylic ester monomer; B, the amount of initiator is 1.2-4.8%of the total amount of the comonomer; C, during the polymerization process, nitrogen protective solvent is added drop by drop at interval; the amount of the solvent is 55-65%of the total amount of the comonomer; and D, the temperature for polymerization is controlled within 80-92DEG C.2) compounding the polymer and the halogen-free flame retardant according to the weight percentages of acrylate polymer 55-70%, silanes halogen-free flame retardant10-15%, nitrogen-phosphorus flame retardant 10-20%, inorganic flame retardant1-10% and dispersant 0.1-1.5%. The halogen-free flame-retarding acrylic resin has excellent film forming ability and adhesive strength and has high temperature radiation resistance, water resistance, dry-cleaning chemicals resistance and scrubbing resistance and is environment-friendly and flame-retarding.

Description

technical field [0001] The invention relates to a coating resin used on a cloth base, in particular to a halogen-free flame-retardant acrylic resin for reflective cloth. This kind of resin can not only form a film on the cloth base, but also bond glass beads, so that the made halogen-free flame-retardant reflective cloth has retro-reflective function under light irradiation, and has good flame-retardant performance. Background of the invention [0002] At present, reflective fabrics made of flame-retardant reflective materials have been widely used in special industries and fields, such as special clothing, firefighting clothing, mining clothing, nautical clothing, tarpaulin military supplies and other iconic life-saving items. [0003] According to public reports on reflective fabrics in recent years, Chinese patent CN 101016358A discloses a flame-retardant acrylic resin for reflective fabrics, which contains a halogen-containing flame retardant. [0004] The patent CN1164...

Claims

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Application Information

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IPC IPC(8): D06M15/263D06M15/643D06M13/358D06M11/72D06M11/45D06M11/44
Inventor 牛正发林学海曹刚
Owner 南京夜视丽精细化工有限责任公司
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