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Calcium magnesium silicate/polyacrylic resin composite material as well as preparation method and application thereof

A technology of polyacrylic acid resin and calcium magnesium silicate, which is applied in the field of tanning, can solve the problems of different sources and components of inorganic fillers, and achieve the effects of enhancing comprehensive performance, improving hydrophilicity, enhancing dispersion and stability

Pending Publication Date: 2021-06-08
XINGYE LEATHER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present application provides a calcium magnesium silicate / polyacrylic acid resin composite material and its preparation method and application, which solves the technical problem of inorganic fillers in the prior art due to different sources and different components, and realizes the use of inorganic fillers. The technical effect of the same composition

Method used

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  • Calcium magnesium silicate/polyacrylic resin composite material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A preparation method of calcium magnesium silicate / polyacrylic acid resin composite material, comprising the steps of:

[0027] Step 1: Ultrasonic disperse 10 parts of nano-silica powder in 1000 parts of deionized water to prepare a silica dispersion, then dissolve 5 parts of calcium nitrate and 5 parts of magnesium nitrate in the dispersion, mix well, add 5 parts of polyethylene glycol, 30 parts of ammonia water and 30 parts of citric acid were controlled at a reaction temperature of 70°C for 6 hours to prepare a calcium magnesium silicate hydrogel.

[0028] Step 2: Burn the calcium magnesium silicate hydrogel at 350°C for 1.5h to prepare the carbon layer-wrapped calcium magnesium silicate powder, grind the carbon layer-wrapped calcium magnesium silicate powder and then burn it at 900°C Calcium magnesium silicate powder is obtained by burning for 8 hours, and the calcium magnesium silicate powder is ball milled to obtain ultrafine calcium magnesium silicate powder with...

Embodiment 2

[0031] A preparation method of calcium magnesium silicate / polyacrylic acid resin composite material, comprising the steps of:

[0032] Step 1: Ultrasonic disperse 2 parts of nano-silica powder in 1000 parts of deionized water to prepare a silica dispersion, then dissolve 1 part of calcium nitrate and 1 part of magnesium nitrate in the dispersion, mix well, and add 1 part of polyethylene glycol, 10 parts of ammonia water and 10 parts of citric acid, the reaction temperature is controlled at 80°C, and the reaction is carried out for 9 hours to prepare calcium magnesium silicate hydrogel.

[0033] Step 2: Burn the calcium magnesium silicate hydrogel at 200°C for 3 hours to prepare carbon layer-wrapped calcium magnesium silicate powder, grind the carbon layer-wrapped calcium magnesium silicate powder and then burn at 800°C After 12 hours, the calcium magnesium silicate powder is prepared, and the calcium magnesium silicate powder is ball milled to obtain an ultrafine calcium magne...

Embodiment 3

[0036] A preparation method of calcium magnesium silicate / polyacrylic acid resin composite material, comprising the steps of:

[0037] Step 1: Ultrasonic disperse 20 parts of nano-silica powder in 1000 parts of deionized water to prepare a silica dispersion, then dissolve 10 parts of calcium nitrate and 10 parts of magnesium nitrate in the dispersion, mix well, add 10 parts of polyethylene glycol, 50 parts of ammonia water and 50 parts of citric acid were controlled at a reaction temperature of 80°C for 3 hours to prepare a calcium magnesium silicate hydrogel.

[0038] Step 2: Burn the calcium magnesium silicate hydrogel at 500°C for 1 hour to prepare the carbon layer-wrapped calcium magnesium silicate powder, grind the carbon layer-wrapped calcium magnesium silicate powder and then burn it at 1000°C 3h, the calcium magnesium silicate powder is prepared, and the calcium magnesium silicate powder is ball milled to obtain an ultrafine calcium magnesium silicate powder with a par...

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Abstract

The invention discloses a calcium magnesium silicate / polyacrylic resin composite material as well as a preparation method and application thereof. The calcium magnesium silicate / polyacrylic resin composite material comprises 3-30 parts of superfine calcium magnesium silicate powder, 100 parts of polyacrylic resin, 1-5 parts of sodium tripolyphosphate, 1-5 parts of sodium carboxymethyl cellulose and 1-5 parts of a silane coupling agent. The water absorption rate of the calcium magnesium silicate / polyacrylic resin composite material can be reduced from more than or equal to 100% to 40-70% compared with that of acrylic resin, meanwhile, the hand feeling of a coating is improved, and finished leather is endowed with smooth hand feeling.

Description

technical field [0001] The invention relates to the technical field of tanning, in particular to a calcium magnesium silicate / polyacrylic acid resin composite material and a preparation method and application thereof. Background technique [0002] Synthetic resins are commonly used in the retanning and finishing stages of the tanning industry. The synthetic resin used in the finishing section has higher requirements on the physical and mechanical properties and water and solvent erosion properties of the resin after film formation. Adding inorganic fillers and crosslinking agents to enhance the physical and mechanical properties of synthetic resins is a common method to improve the overall performance of synthetic resins. At present, inorganic fillers such as silica and talc are commonly used to reinforce synthetic resins. Usually, inorganic fillers are obtained from natural minerals through ball milling or laser cutting. However, the composition of natural minerals is com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/04C09D189/00C09D7/61C09D7/62C09D7/63C09D7/65C14C11/00
CPCC09D133/00C09D175/04C09D189/005C09D7/61C09D7/62C09D7/63C09D7/65C14C11/006C08K2003/324C08K2201/011C08L1/286C08K13/06C08K9/10C08K3/34C08K3/32C08K5/544C08K5/5435C08K5/5425C08L33/00C08L89/005C08L75/04
Inventor 章勇太姚庆达梁永贤代邦强黄鑫婷左莹
Owner XINGYE LEATHER TECH CO LTD
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