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Ternary complex waterproof moisture-permeable coating agent and use thereof

A waterproof and moisture-permeable, ternary composite technology, applied in fiber types, textiles and papermaking, fiber treatment, etc., can solve the problems of insufficient moisture permeability and large dosage, and achieve good mechanical and physical properties, good compatibility, The effect of improving water resistance

Active Publication Date: 2015-03-18
浙江中蝶坊新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above patents are all applied to solvent-based and moisture-permeable coating agents, and there are problems such as large dosage and insufficient moisture-permeable effect

Method used

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  • Ternary complex waterproof moisture-permeable coating agent and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] (1) Preparation of ternary composite coating agent:

[0028] a. Add 0.4g of synthetic thickener TF601A to 18g of water-based coating agent TF677, stir evenly with a magnetic stirrer, and set aside;

[0029] b. Add 3.6g of silk fibroin powder and 0.4g of polyvinylpyrrolidone into the thickened coating agent in a, and stir with a magnetic stirrer for 40 minutes to obtain a ternary composite coating agent.

[0030] c. Place the prepared ternary composite coating agent at room temperature and seal it for storage until use.

[0031] (2) Preparation of waterproof and moisture-permeable coated fabric:

[0032] a. For the pre-water-repellent finish of the polyester base fabric, the process formula and conditions are adopted: one dipping and one padding (water repellent DH819E 15g / L, padding rate 50%) → pre-baking (100°C, 3 min) → baking ( 170°C, 1 min), and the water-staining grade of the base fabric after finishing is 4-5.

[0033] b. Add 2g of cross-linking agent TF677 to ...

Embodiment 2

[0037] (1) Preparation of ternary composite coating agent:

[0038] a. Add 0.4g of synthetic thickener TF601A to 18g of water-based coating agent TF677, stir evenly with a magnetic stirrer, and set aside;

[0039] b. Add 1.8g of silk fibroin powder and 0.7g of polyvinylpyrrolidone to the thickened coating agent in a, and stir for 40 minutes with a magnetic stirrer to obtain a ternary composite coating agent.

[0040] c. Place the prepared ternary composite coating agent at room temperature and seal it for storage until use.

[0041] (2) Preparation of waterproof and moisture-permeable coated fabric:

[0042] The details are the same as the preparation of (2) waterproof and moisture-permeable coated fabric in Example 1.

Embodiment 3

[0044] (1) Preparation of ternary composite coating agent:

[0045] a. Add 0.4g of synthetic thickener TF601A to 18g of water-based coating agent TF677, stir evenly with a magnetic stirrer, and set aside;

[0046] b. Add 0.9g of silk fibroin powder and 2.7g of polyvinylpyrrolidone into the thickened coating agent in a, and stir for 40 minutes with a magnetic stirrer to obtain a ternary composite coating agent.

[0047] c. Place the prepared ternary composite coating agent at room temperature and seal it for storage until use.

[0048] (2) Preparation of waterproof and moisture-permeable coated fabric:

[0049] The details are the same as the preparation of (2) waterproof and moisture-permeable coated fabric in Example 1.

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Abstract

The invention belongs to the technical field of weaving and relates to a ternary complex waterproof moisture-permeable coating agent and a use thereof. A preparation method of the ternary complex waterproof moisture-permeable coating agent comprises that fibroin powder and water-soluble high-molecular weight polyvinylpyrrolidone are added into a common coating agent. A fabric can be coated with the ternary complex waterproof moisture-permeable coating agent and has waterproof and moisture-permeable effects. The common coating agent and certain amounts of the fibroin powder and the water-soluble high-molecular weight polyvinylpyrrolidone are mixed into the ternary complex waterproof moisture-permeable coating agent having ternary synergistic effects. Through a dry coating method, the ternary complex waterproof moisture-permeable coating agent is coated on a fabric base cloth so that a waterproof moisture-permeable coating fabric having excellent performances is obtained.

Description

technical field [0001] The invention belongs to the technical field of textiles, and specifically relates to a waterproof and moisture-permeable coating agent and its application. The main method is to add silk fibroin powder and water-soluble macromolecular polyvinylpyrrolidone to a conventional coating agent to form a three-component composite coating. Layer agent, and through coating to make a coated fabric with waterproof and moisture-permeable properties. Background technique [0002] Waterproof and moisture-permeable fabrics integrate waterproof, moisture-permeable, windproof and thermal performance, and have high market demand. There are three main types of waterproof and breathable fabrics: high-density fabrics, coated fabrics and laminated fabrics. Among them, the coating method is used to prepare waterproof and moisture-permeable fabrics, which are widely used due to their low cost and simple processing. However, due to the limitations of raw materials, processes ...

Claims

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Application Information

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IPC IPC(8): D06M15/564D06M15/15D06M15/356D06M101/32D06M101/06
Inventor 邵建中周金丽刘今强郑今欢单将
Owner 浙江中蝶坊新材料科技股份有限公司
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