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Polyurethane thermal panel and production process thereof

A thermal insulation board and production process technology, which is applied in the field of polyurethane thermal insulation board and its production technology, can solve the problems of improper ratio and dosage of polyurethane combined raw materials, decreased load-bearing capacity of polyurethane thermal insulation board, and unreasonable design of process parameters, etc., to achieve demoulding Good performance, fine cells, uniform foaming density

Inactive Publication Date: 2018-05-18
广西鸿匠保温材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to control the production cost in the current market, the ratio and dosage of polyurethane combined raw materials are improper, and the design of process parameters is unreasonable, resulting in technical problems such as a decrease in the load-bearing capacity of polyurethane insulation panels, a significant decrease in mechanical strength, low production efficiency, and unstable product quality.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A polyurethane insulation board, in parts by weight, comprising the following raw materials: 100 kg of combined polyether, 100 kg of modified isocyanate; the combined polyether is composed of the following raw materials: 60 kg of composite polyol, 0.5 kg of amine catalyst, foam stabilizer 2kg, blowing agent 10kg, flame retardant 8kg, modified graphene 5kg; The blowing agent is formulated by FEA-110, HFC-134a, Greenmate according to weight 0.2: 0.1: 0.8; The compound The polyol is composed of polyether polyol A (hydroxyl value 400mg KOH / g): polyether polyol B (hydroxyl value 450mg KOH / g): polyether polyol C (hydroxyl value 400mg KOH / g) by weight The proportion is 45:30:15; the amine catalyst is prepared from triethylenediamine: N,N-dimethylcyclohexylamine in parts by weight 1:0.5; the foam stabilizer is It is formulated by foam stabilizer B8462: foam stabilizer AK8803 in parts by weight 1: 1; the flame retardant is made of coated polyphosphate amine: magnesium hydroxide:...

Embodiment 2

[0033] A polyurethane insulation board, in parts by weight, comprising the following raw materials: 100 kg of combined polyether, 102 kg of modified isocyanate; the combined polyether is composed of the following raw materials: 65 kg of composite polyol, 1.0 kg of amine catalyst, foam stabilizer 3kg, blowing agent 15kg, flame retardant 10kg, modified graphene 6kg; The blowing agent is formulated by FEA-110, HFC-134a, Greenmate according to weight 0.3: 0.1: 0.9; The compound The polyol is composed of polyether polyol A (hydroxyl value 400mg KOH / g): polyether polyol B (hydroxyl value 450mg KOH / g): polyether polyol C (hydroxyl value 400mg KOH / g) by weight The ratio is 45:30:15; the amine catalyst is prepared from triethylenediamine: N,N-dimethylcyclohexylamine in parts by weight 1:0.6; the foam stabilizer is It is formulated by foam stabilizer B8462: foam stabilizer AK8803 in parts by weight 1: 1; the flame retardant is made of coated polyphosphate amine: magnesium hydroxide: ant...

Embodiment 3

[0041]A polyurethane insulation board, in parts by weight, comprising the following raw materials: 100 kg of combined polyether, 103 kg of modified isocyanate; the combined polyether is composed of the following raw materials: 70 kg of composite polyol, 1.5 kg of amine catalyst, foam stabilizer 3kg, blowing agent 17kg, flame retardant 12kg, modified graphene 7kg; The blowing agent is formulated by FEA-110, HFC-134a, Greenmate according to weight 0.3: 0.1: 0.9; The compound The polyol is composed of polyether polyol A (hydroxyl value 400mg KOH / g): polyether polyol B (hydroxyl value 450mg KOH / g): polyether polyol C (hydroxyl value 400mg KOH / g) by weight Parts are 45:30:15; the amine catalyst is prepared from triethylenediamine:N,N-dimethylcyclohexylamine in parts by weight 1:0.7; the foam stabilizer is It is formulated by foam stabilizer B8462: foam stabilizer AK8803 in parts by weight 1: 1; the flame retardant is made of coated polyphosphate amine: magnesium hydroxide: antimony...

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PUM

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Abstract

The invention discloses a polyurethane thermal panel and a production process thereof. The panel comprises composite polyether and isocyanate. The composite polyether comprises compound polyhydric alcohols, an amine catalyst, a foam stabilizer, a foaming agent, a flame retardant and modified graphene. The ratio of raw materials is strictly controlled in the production process, the mixing ratio ofthe raw materials is accurately measured, and the efficiency and stable-quality continuous production of the polyurethane thermal panel is realized through mixing, casting and foaming of a quick spraying gun of a foaming machine.

Description

technical field [0001] The invention belongs to the technical field of chemical product preparation, and in particular relates to a polyurethane thermal insulation board and a production process thereof. Background technique [0002] At present, the insulation materials used in buildings mainly include rock wool, polystyrene foam board, extruded polystyrene foam insulation board and polyurethane. Due to its low cost, polystyrene panels occupy 70% of the building exterior wall insulation market. However, polyurethane material is a thermosetting material. Compared with polystyrene board, a thermoplastic material, it has the advantages of no shrinkage when exposed to fire, no droplet, and no burning through a 1000-degree flame for 20 minutes. It also takes the lead in many aspects such as performance and service life. [0003] Since entering the 21st century, energy saving and emission reduction have become the mainstream of the world's economic development. High-performance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/48C08K13/06C08K9/10C08K3/32C08K3/22C08K3/04C08J9/14C08G101/00
CPCC08G18/4804C08J9/142C08J9/144C08J9/146C08J2203/12C08J2203/142C08J2203/162C08J2203/202C08J2205/052C08J2375/08C08K3/04C08K3/22C08K3/2279C08K3/32C08K9/10C08K13/06C08K2003/2224C08K2003/323
Inventor 陈文东
Owner 广西鸿匠保温材料有限公司
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