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High-flame-retardance high-resilience polyurethane seat foam composition and foaming process

A foaming composition and high-resilience technology, applied in the field of seat foam, can solve the problems that manufacturing companies cannot manufacture products, seat foam formulas and processes are few, and achieve comprehensive performance improvement, good market prospects, and ensure resistance. burn effect

Inactive Publication Date: 2017-11-17
重庆市宏立摩托车制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, currently there are few seat foam formulations and processes that can meet such standards, and many manufacturing companies cannot manufacture products that can meet the requirements of this standard.

Method used

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  • High-flame-retardance high-resilience polyurethane seat foam composition and foaming process
  • High-flame-retardance high-resilience polyurethane seat foam composition and foaming process
  • High-flame-retardance high-resilience polyurethane seat foam composition and foaming process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1 Preparation of High Flame Retardancy and High Resilience Polyurethane Seat Foam

[0028] (1) Ingredients:

[0029] Ingredients A: raw materials and dosage: flame retardant polyether polyol (3028) 40Kg, high activity polyether polyol (330N) 60Kg, silicone foam stabilizer L-300 20.8Kg, foaming catalyst A-10.08Kg, equilibrium catalyst Triethylenediamine 0.35Kg, crosslinking agent diethanolamine 1.1Kg, water (chemical blowing agent) 2.5Kg, nano flame retardant antimony trioxide 4Kg. Preparation of material A: add flame retardant polyether polyol and highly active polyether polyol into the batching kettle in proportion, turn on high-speed stirring (130-160 RPM), slowly add nano-flame retardant (5 minutes to complete) and continue stirring for 60 -90 minutes, then reduce the stirring speed (60-80 RPM), add silicone foam stabilizer, catalyst, cross-linking agent, and foaming agent in sequence, and continue stirring for another 30 minutes.

[0030] Ingredients B: to...

Embodiment 2

[0042] Example 2 Preparation of High Flame Retardancy and High Resilience Polyurethane Seat Foam

[0043] (1) Ingredients:

[0044] Ingredients A: raw materials and dosage: flame retardant polyether polyol (POP290) 50Kg, high activity polyether polyol (1618) 50Kg, silicone foam stabilizer (8715) 0.9Kg, foaming catalyst A-1 0.1Kg, Equilibrium catalyst triethylenediamine 0.3Kg, crosslinking agent diethanolamine 1.2Kg, water 3Kg, nano flame retardant antimony trioxide 5Kg. Preparation of material A: Add flame retardant polyether polyol and highly active polyether polyol into the batching kettle in proportion, start high-speed stirring (130-160RPM), slowly add nano-flame retardant (5 minutes) and continue stirring for 60- After 90 minutes, reduce the stirring speed (60-80RPM), add silicone foam stabilizer, catalyst, crosslinking agent, and foaming agent in sequence, and continue stirring for another 40 minutes.

[0045] Ingredients B: toluene diisocyanate (TDI) and polyphenyl po...

Embodiment 3

[0057] Example 3 Preparation of High Flame Retardancy and High Resilience Polyurethane Seat Foam

[0058] (1) Ingredients

[0059]Ingredients A: raw materials and dosage: flame retardant polyether polyol (3028) 60Kg, high activity polyether polyol (3135) 40Kg, silicone foam stabilizer (6070) 1Kg, foaming catalyst A-1 0.12Kg, balance Catalyst triethylenediamine 0.25Kg, crosslinking agent triethanolamine 1.3Kg, water 3.5Kg, nano flame retardant antimony trioxide 10Kg. Preparation of material A: Add flame retardant polyether polyol and highly active polyether polyol into the batching kettle in proportion, start high-speed stirring (130-160RPM), slowly add nano-flame retardant (5 minutes) and continue stirring for 60- After 90 minutes, reduce the stirring speed (60-80RPM), add silicone foam stabilizer, catalyst, crosslinking agent, and foaming agent in sequence, and continue stirring for another 50 minutes.

[0060] Ingredients B: toluene diisocyanate (TDI) and polyphenyl polyme...

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Abstract

The invention discloses a high-flame-retardance high-resilience polyurethane seat foam composition. The composition is prepared from a component A and a component B which are in the weight ratio of 100: (30 to 35), wherein the component A is prepared from the following raw materials: 40-60 parts of flame-retardant polyether polyol, 60-40 parts of ordinary high-activity polyether polyol, 0.8-1 part of organosilicone foam stabilizer, 0.08-0.12 part of foaming catalyst, 0.25-0.35 part of equilibrium catalyst, 1.1-1.3 parts of cross-linker, 2.5-3.5 parts of water and 4-10 parts of nano antimony trioxide, wherein the sum of the flame-retardant polyether polyol and the ordinary high-activity polyether polyol is 100 parts, and the cross-linker comprises diethanolamine and triethanolamine; and the component B is obtained through mixing toluene diisocyanate and polyphenyl polymethylene polyisocyanate, wherein the toluene diisocyanate accounts for 70% to 80%, and the polyphenyl polymethylene polyisocyanate accounts for 20% to 30%. The invention further discloses a foam foaming process.

Description

technical field [0001] The invention relates to the technical field of seat foam, in particular to a highly flame-retardant and high-resilience polyurethane seat foam composition and a foaming process. Background technique [0002] The flame retardancy of car seat foam is not high. The United States requires the burning rate to be lower than 100mm / min. Some domestic car companies require the burning rate to be lower than 80mm / min. Generally, polyurethane high-resilience foam does not need any treatment. The flame retardant requirement can be achieved, and even directly extinguished when leaving the fire. However, air seat foams and high-speed rail seat foams have very high requirements for flame retardancy. The existing technology only uses flame-retardant polyether polyols and cannot fully guarantee that the oxygen index can reach 28%. To ensure that the oxygen index can reach 28%, it is necessary to add inorganic flame retardants or other halogen-containing or phosphorus-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/48C08G18/66C08G18/76C08K3/22C08J9/06C08G101/00
CPCC08G18/4804C08G18/6688C08G18/7614C08G18/7671C08G2101/00C08J9/06C08J2375/08C08K3/2279C08L2201/02C08G2110/0083
Inventor 刘恩王宏立严鹏
Owner 重庆市宏立摩托车制造有限公司
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