Unlock instant, AI-driven research and patent intelligence for your innovation.

Acrylic polymer with large particle size and wide particle size distribution and preparation method thereof

An acrylic polymer, large particle size technology, applied in coatings and other directions, can solve the problems of high cost performance, hot stickiness and cold brittleness, and poor water resistance.

Inactive Publication Date: 2020-04-21
NANJING REGAL POLYMER
View PDF4 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Acrylic polymers are widely used in leather finishing, but acrylic resins have disadvantages such as hot stickiness, cold brittleness, poor solvent resistance, and poor water resistance, resulting in low covering performance of acrylic emulsions and low sealing performance for depressions on the surface of substrates. Polyurethane leather finishing agents are at a disadvantage in the competition, and acrylic resins are low in price and high in performance and price, and have a development trend

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Acrylic polymer with large particle size and wide particle size distribution and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0042] A preparation method of an acrylic acid polymer with large particle size and wide particle size distribution, comprising the following steps:

[0043] (1) Weighing: Weigh butyl acrylate, methyl methacrylate, methacrylic acid, styrene, butyl methacrylate, cross-linking monomers, compound emulsifiers, initiators, and neutralizing agents in parts by weight ,Deionized water;

[0044] (2) Monomer mixing: Put butyl acrylate, methyl methacrylate, methacrylic acid, styrene, butyl methacrylate, and cross-linking monomer into the mixing tank, and stir for more than 30 minutes;

[0045] (3) Configuration: add the initiator to a certain amount of deionized water and stir evenly;

[0046] (4) Polymerization: Add the composite emulsifier into a certain amount of deionized water, start stirring, raise the temperature to 50-55 degrees, add part of the configured initiator and part of the monomer mixture in sequence, and after the reaction starts, add the remaining steps dropwise at th...

Embodiment 1

[0052] The raw materials are as follows: 193 parts of deionized water, 66.26 parts of butyl acrylate, 4.35 parts of methacrylic acid, 17.30 parts of methyl methacrylate, 15.13 parts of styrene, 5.39 parts of hydroxypropyl methacrylate, 32.09 parts of butyl methacrylate , 3.04 parts of methylol acrylamide, 2.17 parts of ethylene glycol dimethacrylate, 8.96 parts of sodium dodecylbenzenesulfonate, 2.40 parts of Softanol 400 ((C12-14 secondary alcohol) polyalkyl ether), over 0.57 parts of sodium sulfate, 0.09 parts of vitamin C and 0.16 parts of sodium metabisulfite, 1.39 parts of ammonia water and 1.01 parts of monoethanolamine.

[0053] monomer mix

[0054] 66.26 parts of butyl acrylate, 4.35 parts of methacrylic acid, 17.30 parts of methyl methacrylate, 15.13 parts of styrene, 5.39 parts of hydroxypropyl methacrylate, 32.09 parts of butyl methacrylate, 3.04 parts of methylol acrylamide 1. Add 2.17 parts of ethylene glycol dimethacrylate into the stirring tank, start stirring,...

Embodiment 2

[0062]The raw materials are as follows: 193 parts of deionized water, 66.26 parts of butyl acrylate, 5.45 parts of methacrylic acid, 17.30 parts of methyl methacrylate, 15.13 parts of styrene, 5.39 parts of hydroxypropyl methacrylate, 32.09 parts of butyl methacrylate , 1.04 parts of methylol acrylamide, 1.57 parts of ethylene glycol dimethacrylate, 8.96 parts of sodium dodecylbenzenesulfonate, 2.40 parts of Softanol 400 ((C12-14 secondary alcohol) polyalkyl ether), over 0.57 parts of sodium sulfate, 0.09 parts of vitamin C and 0.16 parts of sodium metabisulfite, 1.39 parts of ammonia water and 1.01 parts of monoethanolamine.

[0063] monomer mix

[0064] 66.26 parts of butyl acrylate, 5.45 parts of methacrylic acid, 17.30 parts of methyl methacrylate, 15.13 parts of styrene, 5.39 parts of hydroxypropyl methacrylate, 32.09 parts of butyl methacrylate, and 1.04 parts of methylol acrylamide 1.57 parts of ethylene glycol dimethacrylate were added to the mixing tank, and the stir...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an acrylic polymer with large particle size and wide particle size distribution and a preparation method thereof and relates to the field of polymer emulsion polymerization synthesis. The acrylic polymer includes the following ingredients: butyl acrylate, methyl methacrylate, methacrylic acid, styrene, butyl methacrylate, a crosslinking monomer, a composite emulsifier, an initiator, a neutralizing reagent and deionized water. According to the invention, the covering performance of an acrylic emulsion and the sealing performance of recesses in the surface of a base material are improved.

Description

technical field [0001] The invention relates to the field of polymer emulsion polymerization synthesis, in particular to an acrylic acid polymer with large particle size and wide particle size distribution and a preparation method thereof. Background technique [0002] Acrylic polymers are widely used in leather finishing, but acrylic resins have disadvantages such as hot stickiness, cold brittleness, poor solvent resistance, and poor water resistance, resulting in low covering performance of acrylic emulsions and low sealing performance for depressions on the surface of substrates. Polyurethane leather finishing agents are at a disadvantage in the competition, and acrylic resins are low in price and high in performance and price, and have a development trend. Use grafting, copolymerization, crosslinking, core-shell polymerization, etc. to improve the shortcomings of acrylic acid. Contents of the invention [0003] The purpose of the present invention is to provide a kind...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C08F220/18C08F220/06C08F220/14C08F212/08C08F220/20C08F220/58C08F222/14C08F2/26C08F2/30C09D133/08
CPCC08F2/26C08F2/30C08F220/18C09D133/24
Inventor 苏向东白天艳张垚俊
Owner NANJING REGAL POLYMER