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Waterproof coating of coated paper

A technology of waterproof coating and coated paper, which is applied in the field of papermaking additives and can solve problems such as pungent smell and unreasonable waterproof coating formula

Inactive Publication Date: 2017-06-27
邱雪平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current waterproof coating formula is

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] The present invention provides a kind of coating paper waterproof coating, comprises following raw material, 30 parts of paraffins, 6 parts of chitosan, 30 parts of rosin glycerides, 5 parts of liquid waxes, the polyester modified by aliphatic dialdehyde crosslinking agent Amide epichlorohydrin (modified PAE) 8 parts, high carbon alcohol 5 parts, hydroxypropyl methylcellulose 5 parts, sorbitan emulsifier 3 parts, oleic acid 3 parts, potassium hydroxide aqueous solution 3 parts parts, 90 parts of water.

[0010] The softening point of rosin glyceride is 65°C, and the acid value is 10mgKOH / g.

[0011] The invention provides an emulsified wax used as a waterproof coating for coated paper without pungent smell.

Embodiment 2

[0013] The present invention provides a kind of waterproof coating for coated paper, comprising the following raw materials, 38 parts of paraffin, 12 parts of chitosan, 40 parts of rosin glyceride, 8 parts of liquid wax, and aliphatic dialdehyde crosslinking agent modified poly Amide epichlorohydrin (modified PAE) 12 parts, high carbon alcohol 8 parts, hydroxypropyl methylcellulose 8 parts, sorbitan emulsifier 5 parts, oleic acid 8 parts, potassium hydroxide aqueous solution 8 parts parts, 110 parts of water.

[0014] The softening point of rosin glyceride is 65°C, and the acid value is 10mgKOH / g.

[0015] The invention provides an emulsified wax used as a waterproof coating for coated paper without pungent smell.

Embodiment 3

[0017] The present invention provides a kind of coating paper waterproof coating, comprises following raw material, 35 parts of paraffins, 10 parts of chitosan, 35 parts of rosin glycerides, 6 parts of liquid waxes, the polyester modified by aliphatic dialdehyde crosslinking agent Amide epichlorohydrin (modified PAE) 10 parts, high carbon alcohol 6 parts, hydroxypropyl methylcellulose 6 parts, sorbitan emulsifier 4 parts, oleic acid 5 parts, potassium hydroxide aqueous solution 5 parts , 100 parts of water.

[0018] The softening point of rosin glyceride is 65°C, and the acid value is 10mgKOH / g.

[0019] The invention provides an emulsified wax used as a waterproof coating for coated paper without pungent smell.

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Abstract

The invention provides a waterproof coating of a coated paper, wherein the waterproof coating is prepared from 30-38 parts of paraffin, 6-12 parts of chitosan, 30-40 parts of glycerol ester of rosin, 5-8 parts of fluid wax, 8-12 parts of polyamide polyamine epichlorohydrin (modified PAE) modified by aliphatic dialdehyde cross-linking agent, 5-8 parts of high alcohols, 5-8 parts of hydroxypropyl methyl cellulose, 3-5 parts of sorbitan emulsifier, 3-8 parts of oil acid, 3-8 parts of potassium hydroxide water solution, and 90-110 parts of water. The invention provides the waterproof coating of the coated paper, the waterproof coating is prepared by emulsifying wax and free from pungent odor.

Description

technical field [0001] The invention relates to a papermaking auxiliary agent, in particular to a waterproof coating for coated paper. Background technique [0002] The current waterproof coating formula is unreasonable, and the smell is relatively pungent. Contents of the invention [0003] The purpose of the present invention is to provide a waterproof coating for coated paper to solve one or more problems in the prior art. [0004] The present invention provides a waterproof coating for coated paper, comprising the following raw materials: 30-38 parts of paraffin, 6-12 parts of chitosan, 30-40 parts of rosin glyceride, 5-8 parts of liquid wax, aliphatic dialdehyde 8-12 parts of polyamide epichlorohydrin (modified PAE) modified by similar cross-linking agent, 5-8 parts of higher carbon alcohol, 5-8 parts of hydroxypropyl methylcellulose, and emulsification of sorbitan 3-5 parts of oleic acid, 3-8 parts of oleic acid, 3-8 parts of potassium hydroxide aqueous solution, a...

Claims

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Application Information

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IPC IPC(8): D21H19/18D21H19/30D21H19/52D21H19/46D21H19/64
CPCD21H19/18D21H19/30D21H19/46D21H19/52D21H19/64
Inventor 邱雪平
Owner 邱雪平
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