Preparation method of solvent-free environment-friendly polyurethane automobile leather
A solvent-free, polyurethane technology, applied in chemical instruments and methods, lamination, layered products, etc., can solve problems such as unhealthy workers, high energy consumption, and serious environmental pollution.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0086]A method for preparing solvent-free environment-friendly polyurethane automotive leather, wherein the automotive leather includes a surface layer and a foaming layer, both of which are two-component solvent-free polyurethane, and the surface layer and the foaming layer are made of The solvent-free environmentally friendly polyurethane surface layer resin and the solvent-free environmentally friendly polyurethane foam layer resin are composed of solvent hydroxyl mixture A component and isocyanate B component;
[0087] The concrete preparation method of described automobile leather comprises the steps:
[0088] (1) Scratch-coated fabric: Mix component A and component B of the solvent-free environmentally friendly polyurethane surface layer resin at a mass ratio of 2:1 and use a low-pressure pouring machine to mix and cast it on the release paper, and coat it with a scraper on the surface of the release paper;
[0089] (2) Drying of fabrics: Dry the scraped-coated fabrics ...
Embodiment 2
[0136] A method for preparing solvent-free environment-friendly polyurethane automotive leather, wherein the automotive leather includes a surface layer and a foaming layer, both of which are two-component solvent-free polyurethane, and the surface layer and the foaming layer are made of The solvent-free environmentally friendly polyurethane surface layer resin and the solvent-free environmentally friendly polyurethane foam layer resin are composed of solvent hydroxyl mixture A component and isocyanate B component;
[0137] The concrete preparation method of described automobile leather comprises the steps:
[0138] (1) Scratch-coated fabric: Mix component A and component B of the solvent-free environmentally friendly polyurethane surface layer resin at a mass ratio of 1:1 and use a low-pressure pouring machine to mix and cast it on the release paper, and coat it with a scraper on the surface of the release paper;
[0139] (2) Drying of the fabric: Dry the scraped-coated fabr...
Embodiment 3
[0186] A method for preparing solvent-free environment-friendly polyurethane automotive leather, wherein the automotive leather includes a surface layer and a foaming layer, both of which are two-component solvent-free polyurethane, and the surface layer and the foaming layer are made of The solvent-free environmentally friendly polyurethane surface layer resin and the solvent-free environmentally friendly polyurethane foam layer resin are composed of solvent hydroxyl mixture A component and isocyanate B component;
[0187] The concrete preparation method of described automobile leather comprises the steps:
[0188] (1) Scratch-coated fabric: Mix component A and component B of the solvent-free environmentally friendly polyurethane surface layer resin at a mass ratio of 1:2 and use a low-pressure pouring machine to mix and cast it on the release paper, and coat it with a scraper on the surface of the release paper;
[0189] (2) Drying of fabrics: Dry the scraped-coated fabrics...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com