High-flame retardant property solvent-free polyurethane synthetic leather and preparation method thereof

A solvent-free polyurethane and synthetic leather technology, used in textiles and papermaking, can solve problems such as a large number of toxic fumes and gases, endangering personal and property safety, and polyurethane is not flame-resistant, and achieves good performance, improved wear resistance, and improved The effect of flame retardant properties

Inactive Publication Date: 2017-12-22
ANHUI ANLI MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Solvent-free polyurethane material is an organic polymer material, but polyurethane without flame-retardant treatment is not flame-resistant, will burn and decompose in case of fire, and produce a large amount of toxic smoke and gas, endangering personal and property safety

Method used

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  • High-flame retardant property solvent-free polyurethane synthetic leather and preparation method thereof
  • High-flame retardant property solvent-free polyurethane synthetic leather and preparation method thereof
  • High-flame retardant property solvent-free polyurethane synthetic leather and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The synthetic leather of this embodiment comprises a four-layer structure of surface layer, middle layer, solvent-free layer and base cloth;

[0044] 120 parts of polyol combination material CC 6945-100 C-A, 30 parts of compound flame retardant (aluminum hydroxide and red phosphorus are 1:0.2 by mass ratio), 0.08 parts of amine catalyst 93600 are mixed to form component A; then Component A is mixed with isocyanate prepolymer CC6945-100 C-B in a mass ratio of 100:40 to form a solvent-free layer slurry.

[0045] Mix 120 parts of polyurethane resin LT-80A, 30 parts of N,N-dimethylformamide (DMF), 8 parts of aluminum hydroxide flame retardant, 3 parts of ultra-high molecular weight polysiloxane 3300, and 5 parts of color paste Surface slurry.

[0046] 120 parts of polyurethane resin ST-8030PC, 30 parts of N,N-dimethylformamide (DMF), 8 parts of STC flame retardant, 3 parts of ultra-high molecular weight polysiloxane 3300, curing agent N-753 parts, Mix 5 parts of color pas...

Embodiment 2

[0053] The synthetic leather of this embodiment comprises a four-layer structure of surface layer, middle layer, solvent-free layer and base cloth;

[0054] Mix 100 parts of polyol composite material CC 6945-100 C-A, 20 parts of compound flame retardant (aluminum hydroxide and red phosphorus are 1:0.4 by mass ratio), 0.05 parts of amine catalyst 93600 to form component A; then Component A is mixed with isocyanate prepolymer CC6945-100 C-B at a mass ratio of 100:45 to form a solvent-free layer slurry.

[0055] Mix 100 parts of polyurethane resin LT-80A, 10 parts of N,N-dimethylformamide (DMF), 5 parts of aluminum hydroxide flame retardant, 4 parts of ultra-high molecular weight polysiloxane 3300, and 10 parts of color paste Surface slurry.

[0056] 100 parts of polyurethane resin ST-8030PC, 10 parts of N,N-dimethylformamide (DMF), 5 parts of STC flame retardant, 1 part of ultra-high molecular weight polysiloxane 3300, curing agent N-methylol compound 1 part and 10 parts of co...

Embodiment 3

[0063] The synthetic leather of this embodiment comprises a four-layer structure of surface layer, middle layer, solvent-free layer and base cloth;

[0064] Mix 110 parts of polyol composite material CC 6945-100 C-A, 40 parts of compound flame retardant (aluminum hydroxide and red phosphorus are 1:0.3 by mass ratio), and 0.1 part of amine catalyst 93600 to form component A; then Component A is mixed with isocyanate prepolymer CC6945-100 C-B at a mass ratio of 100:50 to form a solvent-free layer slurry.

[0065] Mix 150 parts of polyurethane resin LT-80A, 50 parts of N,N-dimethylformamide (DMF), 10 parts of aluminum hydroxide flame retardant, 4 parts of ultra-high molecular weight polysiloxane 3300, and 2 parts of color paste Surface slurry.

[0066] 150 parts of polyurethane resin ST-8030PC, 50 parts of N,N-dimethylformamide (DMF), 10 parts of STC flame retardant, 4 parts of ultra-high molecular weight polysiloxane 3300, curing agent polycarbodiimide 4 2 parts and 2 parts of...

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Abstract

The invention relates to high-flame retardant property solvent-free polyurethane synthetic leather and a preparation method thereof. The polyurethane synthetic leather is composed of a surface layer, an intermediate layer and a base fabric, wherein a solvent-free layer is arranged between the intermediate layer and the base fabric; the solvent-free layer is formed by mixing a component A and a component B according to a mass ratio of 100:(40-50); the component A is composed of the following components in parts by mass: 100-120 parts of polyhydric alcohol component material CC 6945-100C-A, 20-40 parts of a compound flame retardant and 0.05-0.1 part of a catalyst; and the component B is an isocyanate prepolymer CC 6945-100C-B. According to the polyurethane synthetic leather disclosed by the invention, the flame retardant property of the synthetic leather can meet the requirements of 'BS 5852:2006, Clause 11, I/5' on the premise of not influencing the mechanical property and hand feeling of the synthetic leather.

Description

technical field [0001] The invention relates to a polyurethane synthetic leather, in particular to a highly flame-retardant solvent-free polyurethane synthetic leather and a preparation method thereof. Background technique [0002] Traditional polyurethane synthetic leather mostly uses solvent-based polyurethane resin as raw material, which causes a large amount of waste liquid and gas to be generated during the manufacturing process, which not only damages the physical and mental health of front-line workers, but also seriously pollutes the environment, thus limiting the use of polyurethane. Further development of the synthetic leather industry. With the current environmental problems becoming more and more serious, the research on solvent-free polyurethane synthetic leather is very active. Solvent-free polyurethane synthetic leather has the characteristics of environmental friendliness, less energy consumption, and good performance. In addition, compared with the newly e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06N3/14D06N3/12D06N3/00
CPCD06N3/146D06N3/0006D06N3/0059D06N3/0063D06N3/0097D06N3/128D06N3/143D06N3/147D06N2201/042D06N2209/067D06N2209/1685D06N2211/28
Inventor 笪丽红吴文沈为春胡兆阳杨旭胡俊苏星刘志球
Owner ANHUI ANLI MATERIAL TECH
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