Combination material of insulation boards for producing building outer walls and preparation method thereof

A technology for building exterior walls and insulation boards, which is applied in the field of continuous production of polyurethane insulation boards for building exterior walls and its preparation. It can solve the problems of spraying production that is difficult to meet requirements, increase raw material loss, and construction restrictions. The construction conditions are limited, the product quality is stable, and the cost is low

Active Publication Date: 2013-02-20
SHANDONG INOV NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, polyurethane external wall insulation is usually produced by spraying, but affected by external conditions, such as: strong wind, rain, snow and other weather, the external wall construction cannot be carried out, so the construction is greatly restricted, and the loss of raw materials is greatly increased
For high flame-retardant polyurethane building exterior wall products, spraying production is even more difficult to meet the requirements

Method used

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  • Combination material of insulation boards for producing building outer walls and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 1. Prepare component A, 100kg: weigh polyether polyol A (5 functionality, molecular weight 600-700), 40kg, polyether polyol B (4.5 functionality, molecular weight 500-600), 15kg, respectively, Polyester polyol C (4 functionalities, molecular weight 250-350), 10kg, foam stabilizer: B8545 (Evonik), 1.5kg, deionized water, 1.5kg, catalyst selection N,N dimethylcyclohexyl A mixture of amines, N,N dimethylbenzylamine and 1,3,5-tris(dimethylaminopropyl)hexahydrotriazine, weighing 0.4kg, 0.5kg and 0.1kg respectively, physical blowing agent 1, 1-dichloro-1-fluoroethane, 15kg, flame retardant tris(2-chloropropyl) phosphate, 16kg, weighed polyether polyol A, polyether polyol B, polyether polyol Alcohol C, foam stabilizer, chemical blowing agent, catalyst, flame retardant and physical blowing agent are added to the reaction kettle in sequence, stirred at room temperature for 2 hours, and fully mixed;

[0025] 2. Component B polymethyl polyphenyl polyisocyanate, 130kg.

[0026] 3...

Embodiment 2

[0028] 1. Prepare component A, 100kg: weigh polyether polyol A (5 functionality, molecular weight 600-700), 20kg, polyether polyol B (4.5 functionality, molecular weight 500-600), 35kg, respectively, Polyester polyol C (4 functionalities, molecular weight 250-350), 15kg, foam stabilizer: B8545 (Evonik), 2kg, deionized water, 1.2kg, catalyst selection N,N dimethylcyclohexylamine , N,N dimethylbenzylamine and 1,3,5-tris(dimethylaminopropyl)hexahydrotriazine, the weights are 0.5kg, 1.1kg and 0.2kg respectively, physical blowing agent 1,1 -Dichloro-1-fluoroethane, 13kg, flame retardant tris(2-chloropropyl)phosphate, 12kg. Add the weighed polyether polyol A, polyether polyol B, polyether polyol C, foam stabilizer, chemical foaming agent, catalyst, flame retardant and physical foaming agent into the reactor in sequence, Stir at room temperature for 2 hours and mix thoroughly;

[0029] 2. Component B polymethyl polyphenyl polyisocyanate, 120kg.

[0030] 3. Mix component A and comp...

Embodiment 3

[0032] 1. Prepare component A, 100kg: weigh polyether polyol A (5 functionality, molecular weight 600-700), 30kg, polyether polyol B (4.5 functionality, molecular weight 500-600), 20kg, respectively, Polyester polyol C (4 functionalities, molecular weight 250-350), 15kg, foam stabilizer: B8545 (Evonik), 2kg, deionized water, 1.0kg, catalyst selection N,N dimethylcyclohexylamine , N,N dimethylbenzylamine and 1,3,5-tris(dimethylaminopropyl)hexahydrotriazine, the weights are 0.6kg, 2.1kg and 0.3kg respectively, physical blowing agent 1,1 -Dichloro-1-fluoroethane, 10kg, flame retardant tris(2-chloropropyl)phosphate, 18kg.

[0033] Add the weighed polyether polyol A, polyether polyol B, polyether polyol C, foam stabilizer, chemical foaming agent, catalyst, flame retardant and physical foaming agent into the reactor in sequence, Stir at room temperature for 2 hours and mix well.

[0034] 2. Component B polymethyl polyphenyl polyisocyanate, 100kg.

[0035] 3. Mix component A and c...

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Abstract

The invention relates to a combination material of polyurethane insulation boards for producing building outer walls by using a continuous method and a preparation method thereof. The combination material is composed of a component A and a component B, a weight ratio of the component A to the component B is 1:1-1.3, wherein the component A is composed of the following components, by weight, of 20-40% of polyether polyol A, 15-35% of polyether polyol B, 10-20% of polyether polyol C, 1.0-3.0% of foam stabilizer, 1.0-3.0% of chemical foaming agent, 10-20% of physical foaming agent, 0.5-3.5% of catalytic agent and 10-20% of fire retardant, and the component B is polymethyl polyphenyl polyisocyanates. The preparation method of the combination material comprises stirring and mixing all components in the component A in proportion, and then mixing the component A with the component B. Polyurethane foams made of the combination material are low in heat conductivity coefficient, good in leakproofness, excellent in flame retardant property, good in product stability and capable of completely meeting requirements for polyurethane outer wall boards.

Description

technical field [0001] The invention belongs to the field of chemical synthesis, and in particular relates to a composite material used in the continuous production of polyurethane thermal insulation boards for building exterior walls and a preparation method thereof. Background technique [0002] Polyurethane rigid foam has excellent thermal insulation properties. As a new type of wall insulation material, its application in external wall insulation systems will promote the development of building energy-saving engineering technology and help achieve new building energy-saving goals. [0003] At present, most of the thermal insulation layers of external wall insulation systems in China use expanded polystyrene board (XPS) and extruded polystyrene board (EPS), while polyurethane board with excellent thermal insulation performance has not been widely used. With the continuous improvement of domestic building energy-saving requirements, expanded polystyrene board (XPS) and ext...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/76C08G18/48C08K5/521C08J9/14C08J9/08C08G101/00
Inventor 李欣
Owner SHANDONG INOV NEW MATERIALS CO LTD
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