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Sodium potassium aluminosilicate/collagen composite material as well as preparation method and application thereof

A technology of potassium sodium aluminosilicate and composite material, which is applied in the field of leather making, can solve the problems of different sources of inorganic fillers and different components, and achieve the effects of good filling effect, similar hand feeling and improved hydrophilicity

Active Publication Date: 2021-05-25
XINGYE LEATHER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • Sodium potassium aluminosilicate/collagen composite material as well as preparation method and application thereof
  • Sodium potassium aluminosilicate/collagen composite material as well as preparation method and application thereof
  • Sodium potassium aluminosilicate/collagen composite material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

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

[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, Mix 10 parts of sodium nitrate evenly, add 10 parts of polyethylene glycol, 50 parts of ammonia water and 50 parts of citric acid, control the reaction temperature at 70°C, and react for 6 hours to prepare sodium potassium aluminosilicate hydrogel.

[0030] Step 2: Burn the potassium sodium aluminosilicate hydrogel at 130°C for 1.5h to obtain the carbon layer-wrapped potassium sodium aluminosilicate powder, grind the carbon layer-wrapped potassium sodium aluminosilicate powder and then heat it at 900 Burn at ℃ for 8 hours to obtain sodium potassium aluminosilicate powder, and ball mill the sodium potassium aluminosilicate powder to obtain ultr...

Embodiment 2

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

[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, Mix 5 parts of sodium nitrate evenly, add 5 parts of polyethylene glycol, 20 parts of ammonia water and 20 parts of citric acid, control the reaction temperature at 80°C, and react for 9 hours to prepare sodium potassium aluminosilicate hydrogel.

[0036] Step 2: Burn the potassium sodium aluminosilicate hydrogel at 100°C for 3 hours to prepare the carbon layer-wrapped potassium sodium aluminosilicate powder, grind the carbon layer-wrapped potassium sodium aluminosilicate powder and then heat it at 800°C Burn for 12 hours to obtain potassium sodium aluminosilicate powder, and ball mill the potassium sodium aluminosilicate powder to obtain ultrafi...

Embodiment 3

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

[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, After mixing 25 parts of sodium nitrate evenly, add 50 parts of polyethylene glycol, 100 parts of ammonia water and 100 parts of citric acid, control the reaction temperature at 80°C, and react for 9 hours to prepare sodium potassium aluminosilicate hydrogel.

[0042] Step 2: Burn the potassium sodium aluminosilicate hydrogel at 300°C for 1 hour to prepare the carbon layer-wrapped potassium sodium aluminosilicate powder, grind the carbon layer-wrapped potassium sodium aluminosilicate powder and then heat it at 1000°C Burn for 3 hours to obtain potassium sodium aluminosilicate powder, and ball mill the potassium sodium aluminosilicate powder t...

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Abstract

The invention discloses a sodium potassium aluminosilicate / collagen composite material as well as a preparation method and application thereof. The sodium potassium aluminosilicate / collagen composite material is prepared from 3 to 30 parts of superfine sodium potassium aluminosilicate powder, 50 to 200 parts of aromatic polyurethane resin emulsion, 10 to 60 parts of collagen extracting solution, 1 to 5 parts of sodium tripolyphosphate, 2 to 8 parts of sodium carboxymethyl cellulose and 1 to 5 parts of silane coupling agent. The superfine sodium potassium aluminosilicate / collagen composite material is used for repairing the leather, has good compatibility with the leather and similar hand feeling, and can endow the leather with more natural hand feeling, the wear resistance of the prepared finished leather is greater than or equal to grade 4, the dry / wet rubbing resistance is greater than or equal to grade 4-5, and the dynamic waterproof frequency is greater than or equal to 10000 times.

Description

technical field [0001] The invention relates to the technical field of tanning, in particular to a sodium potassium aluminosilicate / collagen composite material and a preparation method and application thereof. Background technique [0002] Polyurethane resins are commonly used in the retanning and finishing stages of the tanning industry. The polyurethane resin used in the finishing process can be used in repairing, middle layer, upper layer, bright layer, etc. due to its excellent film-forming properties, stability, and physical and mechanical properties. Adding inorganic fillers and crosslinking agents to enhance the physical and mechanical properties of polyurethane resins is a common method to improve the overall performance of polyurethane resins. At present, inorganic fillers such as silica and talc are commonly used to reinforce polyurethane resins. Usually, inorganic fillers are obtained from natural minerals through ball milling or laser cutting. However, the comp...

Claims

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Application Information

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Patent Type & Authority Applications(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
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