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Styrene copolymer emulsion for dip coating of glass fibers and preparation method and application of styrene copolymer emulsion

A technology of copolymer emulsion and glass fiber, which is applied in the field of glass fiber dip-coated styrene copolymer emulsion and its preparation, can solve the problems such as glass fiber alkali resistance, achieve good alkali resistance, reduce residue, fiber high intensity effect

Active Publication Date: 2013-05-08
HAINAN BNK WATER BASED NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Yu Zhongying disclosed an emulsion adhesive in the article "Development of Emulsion Adhesive for Glass Fiber Mesh Cloth", which uses butyl acrylate, acrylic acid, and styrene as comonomers, and SDS and OP-10 are Emulsifier, prepared with ammonium persulfate as the initiator, has good gluing effect and excellent performance in all aspects, but does not mention the alkali resistance of glass fiber

Method used

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  • Styrene copolymer emulsion for dip coating of glass fibers and preparation method and application of styrene copolymer emulsion
  • Styrene copolymer emulsion for dip coating of glass fibers and preparation method and application of styrene copolymer emulsion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1. Preparation of raw materials:

[0023] 1) Mixed monomer preparation: mix 42 kg of styrene, 6 kg of acrylonitrile, and 12 kg of butyl acrylate to obtain a mixed monomer;

[0024] 2) Initiator preparation: dissolving 240 g of potassium persulfate in 8 kg of water to obtain an aqueous solution of potassium persulfate, dissolving 240 g of sodium bisulfite in 8 kg of water to obtain an aqueous solution of sodium bisulfite;

[0025] 3) Mixed emulsifier preparation: Mix 600g of 2A-1 emulsifier and COPS-11.0kg and add water to 10kg to make a mixed emulsifier;

[0026] 2. Seed aggregation:

[0027] Add 105kg of water to the reaction kettle, add 50g of sodium dodecylsulfonate, 100g of OP-10, and 30g of ammonium acetate, seal the kettle, replace the gas three times, vacuumize, inhale the mixed monomer with a formula amount of 3%, cold disperse 0.5 h, heat up to 47°C, pump in the prepared potassium persulfate aqueous solution and sodium bisulfite aqueous solution, the addition...

Embodiment 2

[0033] 1. Preparation of raw materials:

[0034] 1) Mixed monomer preparation: Mix 56 kg of styrene, 8 kg of acrylonitrile, and 16 kg of butyl acrylate to obtain a mixed monomer;

[0035] 2) Initiator preparation: 260 g of potassium persulfate was dissolved in 8 kg of water to obtain an aqueous solution of potassium persulfate, and 260 g of sodium bisulfite was dissolved in 8 kg of water to obtain an aqueous solution of sodium bisulfite;

[0036] 3) Mixed emulsifier preparation: Mix 700g of 2A-1 emulsifier and COPS-11.0kg and add water to 10kg to make a mixed emulsifier;

[0037] 2. Seed aggregation:

[0038] Add 85kg of water to the reaction kettle, add 60g of sodium dodecylsulfonate, 120g of OP-10, and 30g of ammonium acetate, seal the kettle, replace the gas three times, vacuumize, inhale the mixed monomer with a formula amount of 3%, and cold disperse 0.5 h, heat up to 47°C, pump in the prepared potassium persulfate aqueous solution and sodium bisulfite aqueous solution,...

Embodiment 3

[0042] 1. Preparation of raw materials:

[0043] 1) Mixed monomer preparation: mix 42 kg of styrene, 6 kg of acrylonitrile, and 12 kg of methyl acrylate to obtain a mixed monomer;

[0044] 2) Initiator preparation: dissolving 240 g of potassium persulfate in 8 kg of water to obtain an aqueous solution of potassium persulfate, dissolving 240 g of sodium bisulfite in 8 kg of water to obtain an aqueous solution of sodium bisulfite;

[0045] 3) Mixed emulsifier preparation: Mix 600g of 2A-1 emulsifier and COPS-11.0kg and add water to 10kg to make a mixed emulsifier;

[0046] 2. Seed aggregation:

[0047] Add 105kg of water to the reaction kettle, add 50g of sodium dodecylsulfonate, 100g of OP-10, and 30g of ammonium acetate, seal the kettle, replace the gas three times, vacuumize, inhale mixed monomer with a formula amount of 3%, and cold disperse 0.5 h, heat up to 47°C, pump in the prepared potassium persulfate aqueous solution and sodium bisulfite aqueous solution, the additio...

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Abstract

The invention discloses a styrene copolymer emulsion for dip coating of glass fibers and a preparation method and an application of the styrene copolymer emulsion. In order to solve the problem that the glass fibers subjected to dip coating are low in alkali resistance in the prior art, the styrene copolymer emulsion is prepared by taking a certain quantity of styrene, acrylonitrile and acrylate as a mixed monomer, selecting a specific seed emulsifier and a blended emulsifier, adopting a seed emulsion, and performing polymerization. The styrene copolymer emulsion is good in stability; and the glass fibers treated by using the styrene copolymer emulsion are straight, good in alkali resistance and high in fiber strength.

Description

technical field [0001] The invention relates to a styrene copolymer emulsion, in particular to a styrene copolymer emulsion used for glass fiber dip coating and its preparation method and application. Background technique [0002] The main raw materials of glass fiber are natural ores such as limestone, silica, alumina, fluorite, etc., which have excellent properties such as high temperature resistance, corrosion resistance, high strength, small specific gravity, low moisture absorption, and good electrical insulation performance; glass fiber as a Widely used reinforcing material, can be used in plastic products, construction, aerospace, microelectronics and other fields, especially the mesh cloth made of glass fiber, can be used in building exterior wall insulation system, roof asphalt waterproof, etc., is a kind of New building materials. [0003] Yu Zhongying disclosed an emulsion adhesive in the article "Development of Emulsion Adhesive for Glass Fiber Mesh Cloth", whic...

Claims

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Application Information

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IPC IPC(8): C08F212/08C08F220/14C08F220/18C08F220/44C08F2/26C08F2/30C03C25/28
Inventor 方勇邢青涛
Owner HAINAN BNK WATER BASED NEW MATERIAL CO LTD
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