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A kind of potassium sodium aluminosilicate/collagen composite material and preparation method and application thereof

A technology of potassium sodium aluminosilicate and composite materials, which is applied in the field of tanning, can solve the problems of different ingredients and different sources of inorganic fillers, and achieve the effect of close hand feeling, good filling effect and enhanced comprehensive performance

Active Publication Date: 2022-08-02
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 potassium sodium aluminosilicate / collagen 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 filler components. same technical effect

Method used

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  • A kind of potassium sodium aluminosilicate/collagen composite material and preparation method and application thereof
  • A kind of potassium sodium aluminosilicate/collagen composite material and preparation method and application thereof
  • A kind of potassium sodium aluminosilicate/collagen composite material and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A preparation method of potassium sodium aluminosilicate / collagen composite material, comprising the following steps:

[0029] Step 1: ultrasonically disperse 5 parts of nano-silica powder and 5 parts of alumina powder in 1000 parts of deionized water to obtain a silica / alumina dispersion, and then dissolve 15 parts of potassium nitrate, 10 parts of sodium nitrate, mixed evenly, add 10 parts of polyethylene glycol, 50 parts of ammonia water and 50 parts of citric acid, control the reaction temperature to 70 ℃, and react for 6 hours to obtain potassium sodium aluminosilicate hydrogel.

[0030] Step 2: Burn the potassium and sodium aluminosilicate hydrogel at 130° C. for 1.5 h to obtain the potassium and sodium aluminosilicate powder wrapped in the carbon layer. Burn at ℃ for 8 hours to obtain potassium and sodium aluminosilicate powder, and ball-mill the potassium and sodium aluminosilicate powder to obtain ultrafine potassium and sodium aluminosilicate powder with parti...

Embodiment 2

[0034] A preparation method of potassium sodium aluminosilicate / collagen composite material, comprising the following steps:

[0035] Step 1: ultrasonically disperse 1 part of nano-silica powder and 1 part of alumina powder in 1000 parts of deionized water to obtain a silica / alumina dispersion, and then dissolve 5 parts of potassium nitrate, 5 parts of sodium nitrate, after mixing evenly, add 5 parts of polyethylene glycol, 20 parts of ammonia water and 20 parts of citric acid, control the reaction temperature to 80 ℃, and react for 9 hours to obtain potassium sodium aluminosilicate hydrogel.

[0036] Step 2: Burn the potassium and sodium aluminosilicate hydrogel at 100° C. for 3 hours to obtain the potassium and sodium aluminosilicate powder wrapped in the carbon layer. Ignition for 12 hours to obtain potassium and sodium aluminosilicate powder, and ball-milling the potassium and sodium aluminosilicate powder to obtain ultrafine potassium and sodium aluminosilicate powder wit...

Embodiment 3

[0040] A preparation method of potassium sodium aluminosilicate / collagen composite material, comprising the following steps:

[0041]Step 1: ultrasonically disperse 10 parts of nano-silica powder and 10 parts of alumina powder in 1000 parts of deionized water to obtain a silica / alumina dispersion, and then dissolve 25 parts of potassium nitrate, 25 parts of sodium nitrate were mixed evenly, 50 parts of polyethylene glycol, 100 parts of ammonia water and 100 parts of citric acid were added, the reaction temperature was controlled at 80°C, and the reaction was carried out for 9 hours to obtain potassium sodium aluminosilicate hydrogel.

[0042] Step 2: Burn the potassium and sodium aluminosilicate hydrogel at 300°C for 1 h to obtain the potassium and sodium aluminosilicate powder wrapped in the carbon layer. Boil for 3 hours to obtain potassium and sodium aluminosilicate powder, and ball-mill the potassium and sodium aluminosilicate powder to obtain ultrafine potassium and sodiu...

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Abstract

The invention discloses a potassium-sodium aluminosilicate / collagen composite material, a preparation method and application thereof, comprising 3-30 parts of ultrafine potassium-sodium aluminosilicate powder, 50-200 parts of aromatic polyurethane resin emulsion, and collagen extract 10-60 parts, 1-5 parts of sodium tripolyphosphate, 2-8 parts of sodium carboxymethyl cellulose, and 1-5 parts of silane coupling agent; this application uses ultrafine potassium sodium aluminosilicate / collagen composite material for In leather repair, it has good compatibility with leather and has a similar feel to leather, which can give leather a more natural feel. The finished leather has a wear resistance of ≥4, dry / wet rub resistance ≥4‑5, and dynamic waterproofing. Times ≥ 10000 times.

Description

technical field [0001] The invention relates to the technical field of leather making, in particular to a potassium sodium aluminosilicate / collagen composite material, a preparation method and application thereof. Background technique [0002] Polyurethane resins are commonly used in retanning and finishing sections in the tanning industry. The polyurethane resin applied in the finishing section can be applied to repair wounds, middle layer, upper layer, bright layer, etc. for its excellent film-forming properties, stability, physical and mechanical properties, etc. Adding inorganic fillers and cross-linking agents to enhance the physical and mechanical properties of polyurethane resins is a common method to improve the comprehensive properties of polyurethane resins. At present, inorganic fillers such as silica and talc are commonly used to strengthen polyurethane resins. Usually, inorganic fillers are obtained by ball milling or laser cutting and crushing of natural miner...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D189/00C09D191/06C09D7/61C09D7/63C14C11/00
CPCC09D175/04C09D7/61C09D7/63C09D191/06C14C11/00C14C11/003C08K2003/324C08L89/00C08L1/286C08K3/34C08K3/32C08K5/544
Inventor 姚庆达梁永贤章勇太王小卓黄鑫婷左莹
Owner XINGYE LEATHER TECH CO LTD