100% water-base foamed polyurethane foam and preparation method thereof

A technology of foaming polyurethane and foam, which is applied in the field of polyurethane and can solve problems such as difficulty in adapting to requirements

Inactive Publication Date: 2013-04-03
JIANGSU STEADY NEW ENERGY TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, traditional closed-cell foams are increasingly diffi

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0086] Embodiment 1 formula is as follows:

[0087] A component

[0088] Polymethylene polyphenyl isocyanate (44v20): equal quality to component B.

[0089] B component

[0090] Flame retardant polyether polyol (290E): 30 parts

[0091] Polyether polyol (MA-4110): 10 parts

[0092] Polyester polyol (PS-3152): 10 parts

[0093] Emulsifier (TX-15): 10 parts

[0094] Foam stabilizer (AK-6688): 0.5 parts

[0095] Cell opener (KF-28): 2 parts

[0096] Flame retardant (WSFR-690): 20 parts

[0097] Foaming agent (water): 10 parts

[0098] Catalyst (Polycat 5): 2 parts

[0099] Catalyst (Polycat 8): 3.5 parts

[0100] Mix the ingredients of Part B until well mixed. Mix components A and B uniformly through a spraying machine, and at 50-70°C, the available density is 9.7kg / cm 3 open-cell foam.

[0101]

Embodiment 2

[0102] Embodiment 2, formula are as follows:

[0103] A component

[0104] Polymethylene polyphenylisocyanate (44v20): equal quality to component B

[0105] B component

[0106]Flame retardant polyether polyol (290E): 40 parts

[0107] Polyether polyol (MA-403): 5 parts

[0108] Polyester polyol (PS-3152): 5 parts

[0109] Emulsifier (TX-15): 8 parts

[0110] Foam stabilizer (B8123): 0.1 parts

[0111] Cell opener (O501): 0.6 parts

[0112] Flame retardant (TCPP): 20 parts

[0113] Foaming agent (water): 12 parts

[0114] Catalyst 1 (A-1): 3.5 parts

[0115] Catalyst 2 (BL-17): 1.5 parts

[0116] Catalyst 3 (A-33): 1.3 parts

[0117] Mix the ingredients of Part B until well mixed. Mix components A and B uniformly through a spraying machine, at 50-70°C, the available density is 8.4kg / cm 3 open-cell foam.

[0118]

Embodiment 3

[0119] Embodiment 3, formula is as follows:

[0120] A component

[0121] Polyphenyl polymethylene polyisocyanate (44v20) and B component equal quality

[0122] B component

[0123] Flame retardant polyether polyol (290E): 25 parts

[0124] Polyether polyol (MA-4110): 7.2 parts

[0125] Polyester polyol (PS-3152): 7.2 parts

[0126] Emulsifier (TX-15): 9 parts

[0127] Foam stabilizer (B8123): 0.6 parts

[0128] Cell opener (O501): 1 part

[0129] Foaming agent (water): 17 parts

[0130] Flame retardant (WSFR-505): 25 parts

[0131] Catalyst 2 (BL-11): 2 parts

[0132] Catalyst 3 (A-33): 2 parts

[0133] Mix the ingredients of Part B until well mixed. Mix components A and B uniformly through a spraying machine, at 50-70°C, the available density is 7.3kg / cm 3 open-cell foam.

[0134]

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Abstract

The invention relates to the field of polyurethane, particularly a preparation method and application of 100% water-base foamed polyurethane foam. The 100% water-base foamed polyurethane foam is characterized by comprising a component A and a component B in a mass ratio of 1:1, wherein the component A is polymethylene polyphenyl isocyanate; the component B comprises polyalcohol, catalysts, foam stabilizer, pore opening agent, foaming agent, emulsifier and flame retardant; and the polyalcohol comprises polyether glycol, polyester polyol and flame-retardant polyether glycol. The invention is characterized by adopting high-proportion water. The invention adopts multiple assistants, and especially ingeniously uses three or two catalysts to ensure the open pore foam to have an open pore structure, the foam pores are compact and open, the meridian fibers of the foam pores are thin and soft, and the heat conductivity coefficient of the foam can still reach 0.036-0.040 (W/M.K).

Description

Technical field [0001] The invention relates to the field of polyurethane, and in particular to a preparation method and application of 100% water-based foaming polyurethane foam. [0002] Background technique: [0003] With the implementation of national building energy conservation standards, the demand for insulation materials is also increasing. Polyurethane foam has good thermal insulation and sound insulation properties and is widely used in buildings and automobile insulation. Usually the density of spray foam for construction and vehicles is 30-40Kg / m 3 Because the cells in the closed-cell state are prone to shrinkage and deformation when exposed to cold, a higher density must be maintained to ensure that the foam has sufficient stiffness to resist foam shrinkage. Currently, in the field of vehicle manufacturing, it has become a trend to reduce the weight of the vehicle body and reduce manufacturing costs. The vehicle body steel plates are getting thinner and thin...

Claims

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Application Information

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IPC IPC(8): C08G18/76C08G18/66C08G18/48C08G18/50C08G18/42C08G18/18C08J9/08C08L75/06
Inventor 刘涛吕冬梅王敏李健
Owner JIANGSU STEADY NEW ENERGY TECH DEV
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