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Polymerizable composition, aqueous acryl resin and preparation method thereof

A technology of polymerizable composition and acrylic resin, applied in the field of water-based acrylic resin, water-based acrylic resin and its preparation, can solve the problems of low solvent resistance of acetone, poor solvent resistance and need to be improved, etc. The effect of meeting physical requirements and reducing emissions

Active Publication Date: 2022-07-29
NANYA PLASTICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the water-based treatment agent can be applied to the production of synthetic leather, and has the advantages of rub resistance, abrasion resistance and water resistance, the water-based treatment agent still has the disadvantage of poor solvent resistance, and the solvent resistance to acetone is relatively low. Low, there is still room for improvement in application

Method used

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  • Polymerizable composition, aqueous acryl resin and preparation method thereof
  • Polymerizable composition, aqueous acryl resin and preparation method thereof
  • Polymerizable composition, aqueous acryl resin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] The ingredients of each example are shown in Table 1, and the starting reactants were added to the reaction tank and mixed uniformly. After raising the temperature in the reaction tank to 75°C, the first hydrophilic initiator was added, and stirring was continued for 10 minutes. Using a mixer, 37 parts by weight of deionized water, 3 parts by weight of reactive emulsifier SR-10, epoxy-containing silane and acrylic monomer polymer were uniformly mixed to form a pre-emulsion. Maintain the temperature at 75°C and add the pre-emulsion into the reaction tank in the form of droplets. After 30 minutes of reaction, add the aqueous solution formed by the second hydrophilic initiator into the reaction tank in the form of droplets, and the dropwise addition time is controlled at Within 4 hours, then the temperature was raised to 80°C for 2 hours, and after the reaction, the temperature in the reaction tank was lowered to below 40°C, and then the pH value of the obtained product wa...

Embodiment 2

[0052] The reaction scheme of Example 2 is the same as that of Example 1, except that the polymerizable composition contains 1 part by weight of 3-glycidoxypropyl)methyldiethoxysilane (KBE402). After the reaction, the solid content was calculated to be 43% (by weight), and a film was prepared and its physical properties were measured. The results are shown in Table 2.

Embodiment 3

[0054] The reaction scheme of Example 3 is the same as that of Example 1, except that the polymerizable composition contains 0.5 parts by weight of 3-glycidoxypropyl)trimethoxysilane and 0.5 parts by weight of (3-glycidoxypropyl)trimethoxysilane propyl) methyldiethoxysilane. After the reaction, the solid content was calculated to be 43% (by weight), and a film was prepared and its physical properties were measured. The results are shown in Table 2.

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Abstract

The invention discloses a water-based acrylic resin with high solvent resistance and a polymerizable composition thereof. The polymerizable composition comprises an acrylic monomer polymer, epoxy group-containing silane and a reactive emulsifier. The weight ratio of the acrylic monomer polymer to the epoxy group-containing silane to the reactive emulsifier is 100: 1: 3, and the epoxy group-containing silane is 1 to 3 wt% of (3-epoxypropoxypropyl) trimethoxysilane and / or 1 to 3 wt% of (3-epoxypropoxypropyl) methyldiethoxysilane. The water-based acrylic resin with high solvent resistance can improve the applicability of a water-based treatment agent for surface treatment of synthetic leather.

Description

technical field [0001] The invention relates to a water-based acrylic resin, in particular to a water-based acrylic resin that can be used for artificial leather, a polymerizable composition, high solvent resistance and a preparation method thereof, and belongs to the technical field of production and processing of artificial leather . Background technique [0002] Synthetic leather refers to a material formed by laminating one or more layers of polyurethane (PU) or polyvinyl chloride (PVC) resin on the fabric. It is one of the ideal materials to replace leather. Nowadays, synthetic leather products have been fully integrated into our lives. However, some specific properties of synthetic leather are inferior to that of genuine leather, so treatments are used to coat the surface of synthetic leather to make these properties approach or even exceed genuine leather. [0003] Most of the treatment agents used by synthetic leather manufacturers at home and abroad are solvent-ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/14C08F220/18C08F220/20C08F220/06C08F212/08C08F2/24C08F2/44C08K5/5435
CPCC08F220/14C08F2/24C08F2/44C08K5/5435C08F220/1804C08F220/20C08F220/06C08F220/1811C08F212/08C08F212/12C08F220/1808C08F216/1491C08L33/066C08J5/18C08J2483/06C08L2203/16C08J2333/12C08L2201/52C08F218/08C08F220/1806C08F222/02C08F220/42C08F220/08C08F220/1802C08F220/58
Inventor 廖德超徐森煌庄惠钧
Owner NANYA PLASTICS CORP
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