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Antibacterial mildew-proof synthetic leather production process

An antibacterial, antifungal, and production technology technology, applied in the field of synthetic leather, can solve the problems of sterilization, long antibacterial response time, affecting the antibacterial durability of finished leather, and threatening the health and safety of consumers, achieving remarkable antibacterial effect and stable light and heat , increase the effect of elasticity

Active Publication Date: 2019-04-02
YANGZHOU DERWINS PLASTICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Natural product antibacterial agents are rarely used due to defects such as poor heat resistance, short duration of drug effect, and difficulty in mass production; organic antibacterial agents and polymer antibacterial agents are easily hydrolyzed, highly volatile, and have certain toxicity and other problems. In terms of its application, in contrast, inorganic antibacterial agents have a higher safety factor, but have problems such as sterilization and antibacterial response time. In addition, these blended antibacterial agents are easy to continue to migrate from leather products to the external environment. Affects the persistence of antibacterial and mildew proof of finished leather; the antibacterial agent released has certain irritation and even toxicity to the human body, threatening the health and safety of consumers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] A production process of antibacterial and mildew-resistant synthetic leather, comprising the steps of:

[0048] Step 1: preparing organosilicon / waterborne polyurethane interpenetrating network polymer emulsion, foaming slurry and surface treatment agent containing zinc phthalocyanine;

[0049] Step 2: Flatten the release paper by a tractor and send it to a preheating oven for heating at 80°C;

[0050] Step 3: When the release paper passes through the first coating machine, scrape the surface layer by scraping, and coat a layer of silicone / waterborne polyurethane interpenetrating network polymer containing zinc phthalocyanine on the release paper The surface layer is formed by the emulsion, the thickness of the surface layer is 0.1mm, and then the surface layer is sent into the first oven, the heating temperature in the first oven is 180-195°C, the first oven is divided into four temperature ranges, and the release paper Pass through the first oven zone one, the first o...

Embodiment 2

[0074] A production process of antibacterial and mildew-resistant synthetic leather, comprising the steps of:

[0075]Step 1: preparing organosilicon / waterborne polyurethane interpenetrating network polymer emulsion, foaming slurry and surface treatment agent containing zinc phthalocyanine;

[0076] Step 2: Flatten the release paper by a tractor and send it to a preheating oven for heating at 100°C;

[0077] Step 3: When the release paper passes through the first coating machine, scrape the surface layer by scraping, and coat a layer of silicone / waterborne polyurethane interpenetrating network polymer containing zinc phthalocyanine on the release paper The emulsion forms the surface layer, the thickness of the surface layer is 0.3mm, and then the surface layer is sent into the first oven, the heating temperature in the first oven is 180-195°C, and the first oven is divided into four temperature ranges, and the release paper Pass through the first oven zone one, the first oven...

Embodiment 3

[0101] A production process of antibacterial and mildew-resistant synthetic leather, comprising the steps of:

[0102] Step 1: preparing organosilicon / waterborne polyurethane interpenetrating network polymer emulsion, foaming slurry and surface treatment agent containing zinc phthalocyanine;

[0103] Step 2: Flatten the release paper by a tractor and send it to a preheating oven for heating at 120°C;

[0104] Step 3: When the release paper passes through the first coating machine, scrape the surface layer by scraping, and coat a layer of silicone / waterborne polyurethane interpenetrating network polymer containing zinc phthalocyanine on the release paper The emulsion forms the surface layer, the thickness of the surface layer is 0.5mm, and then the surface layer is sent to the first oven, the heating temperature in the first oven is 180-195°C, and the first oven is divided into four temperature ranges, and the release paper Pass through the first oven zone one, the first oven ...

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Abstract

The invention discloses an antibacterial mildew-proof synthetic leather production process in the technical field of synthetic leathers. The process includes the following steps: step I. preparing anorganic silicon / aqueous polyurethane interpenetrating network polymer emulsion containing zinc phthalocyanine, a foaming slurry material and a surface treatment agent; step II. sending release paper into a preheating oven for heating; step III. coating the organic silicon / aqueous polyurethane interpenetrating network polymer emulsion containing the zinc phthalocyanine on the release paper to forma surface layer, and sending the surface layer into a first oven; step IV. uniformly coating the foaming slurry material on the surface layer to form a foaming layer, and sending the foaming layer into a second oven; step V. uniformly coating glue on the foaming layer, coating a polyester cloth on the foaming layer, and sending the foaming layer into a third oven; step VI. peeling the release paper and the surface layer after cooling to obtain a semi-finished product of the antibacterial mildew-proof synthetic leather; step VII. coating the surface treatment agent on the surface of the semi-finished product of the antibacterial mildew-proof synthetic leather, and sending the surface treatment agent into a fourth oven to prepare the antibacterial mildew-proof synthetic leather. The processhas the advantages of safe use and obvious antibacterial and mildew-proof effects.

Description

technical field [0001] The invention relates to the technical field of synthetic leather, in particular to a production process of antibacterial and mildew-proof synthetic leather. Background technique [0002] Polyurethane (PU) synthetic leather, as a type of polyurethane elastomer, has the appearance, feel and mechanical properties similar to natural leather, and is currently the most popular and mainstream product in synthetic leather. Then, the special molecular structure of polyurethane, the fiber components in the synthetic leather base cloth and the auxiliary agents contained in the synthetic leather such as protein adhesives, lignocellulose fillers, etc. can provide a rich source of nutrients for the growth of microorganisms, making the polyurethane synthetic leather extremely It is easily rotted and deteriorated by microorganisms, and the service life is greatly shortened. At the same time, the growth and reproduction of pathogenic microorganisms on the surface will...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06N3/14D06N3/00
CPCD06N3/0036D06N3/0045D06N3/0059D06N3/0061D06N3/0063D06N3/0077D06N3/0097D06N3/142D06N2205/023D06N2205/08D06N2209/143D06N2209/1635D06N2209/1671D06N2209/1678D06N2209/1685D06N2211/28
Inventor 刘顺兆常金明陈意刘传庆徐蓉
Owner YANGZHOU DERWINS PLASTICS TECH
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