Combined fiber reinforced water-blown polyurethane hard foam composite board, production method and production equipment thereof

A technology of polyurethane rigid foam and composite board, which is applied in the direction of chemical instruments and methods, synthetic resin layered products, layered products, etc. Large external temperature difference and other problems, to achieve the effect of improving transverse strength and interlayer peeling strength, great social and economic benefits, and improving weather resistance and flame retardancy

Active Publication Date: 2011-05-18
AEROSPACE RES INST OF MATERIAL & PROCESSING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, because many composite material plates may be exposed to harsh natural environments for many years, they will be aged by ultraviolet radiation and deteriorate their performance. Therefore, it is necessary to perform anti-aging treatment on their surfaces. Combustion, anti-skid and other characteristics
[0004] The continuous production of continuous fiber-reinforced composites usually adopts the extrusion molding process, but for large products, the large cross-sectional area is likely to cause a large temperature difference between the inside and outside of the molded product, which affects the uniformity of product quality and may lead to difficult reinforcement components. Poor wetting of resin, causing performance and cosmetic defects

Method used

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  • Combined fiber reinforced water-blown polyurethane hard foam composite board, production method and production equipment thereof
  • Combined fiber reinforced water-blown polyurethane hard foam composite board, production method and production equipment thereof
  • Combined fiber reinforced water-blown polyurethane hard foam composite board, production method and production equipment thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A composite fiber-reinforced water-foamed polyurethane rigid foam composite board, which uses a mixture of long glass fibers and chopped glass fibers as fiber reinforcements, and the fiber reinforcements are alternately and uniformly distributed in layers in the polyurethane foam raw material matrix;

[0034] Described polyurethane foam raw material composition comprises, by weight:

[0035] Polyether polyol 1, hydroxyl number 93-750mgKOH / g, molecular weight 150-1200, accounting for 80 parts;

[0036] Polyether polyol 2, hydroxyl number 28-93mgKOH / g, molecular weight 1200-4000, accounting for 5 parts;

[0037] Catalyst, triethylenediamine, accounts for 0.01 part;

[0038] Foam stabilizer, polydimethylsiloxane-polyoxyalkylene block copolymer, accounts for 1 part;

[0039] Distilled water, accounting for 0.2 parts;

[0040] Flame retardant, triphenyl phosphite, accounting for 5 parts;

[0041] Isocyanate, accounting for 100 parts;

[0042] The composition of the fibe...

Embodiment 2

[0049] A composite fiber-reinforced water-foamed polyurethane rigid foam composite plate, which uses long glass fibers as fiber reinforcements, and the fiber reinforcements are alternately and evenly distributed in layers in the polyurethane foam raw material matrix;

[0050] Described polyurethane foam raw material composition comprises, by weight:

[0051] Polyether polyol 1, hydroxyl number 93-750mgKOH / g, molecular weight 150-1200, accounting for 85 parts;

[0052] Polyether polyol 2, hydroxyl number 28-93mgKOH / g, molecular weight 1200-4000, accounting for 6 parts;

[0053] Catalyst, N, N'-dimethyl cyclohexylamine, accounts for 0.02 part;

[0054] Foam stabilizer is polydimethylsiloxane-polyoxyalkylene block copolymer, accounting for 3 parts;

[0055] Distilled water, accounting for 0.25 parts;

[0056] Flame retardant, three (beta-chloroethyl) phosphate, accounting for 10 parts;

[0057] Isocyanate, accounting for 110 parts;

[0058] The composition of the fiber reinf...

Embodiment 3

[0066] A composite fiber-reinforced water-foamed polyurethane rigid foam composite plate, which uses long glass fibers, carbon fibers and chopped glass fibers as fiber reinforcements, and the fiber reinforcements are alternately and evenly distributed in layers in the polyurethane foam raw material matrix;

[0067] Described polyurethane foam raw material composition comprises, by weight:

[0068] Polyether polyol 1, hydroxyl number 93-750mgKOH / g, molecular weight 150-1200, accounting for 90 parts;

[0069] Polyether polyol 2, hydroxyl number 28-93 mgKOH / g, molecular weight 1200-4000, accounting for 6.5 parts;

[0070] Catalyst, bis-(2-dimethylaminoethyl) ether, accounts for 0.04 part;

[0071] Foam stabilizer, sulfonated castor oil, accounts for 4 parts;

[0072] Distilled water, accounting for 0.3 parts;

[0073] Flame retardant, tri-(chloroisopropyl) phosphate (TCPP), accounts for 15 parts;

[0074] Isocyanates account for 120 parts;

[0075] The composition of the fib...

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Abstract

The invention provides a combined fiber reinforced water-blown polyurethane hard foam composite board, a production method and continuous production equipment thereof. In the combined fiber reinforced water-blown polyurethane hard foam composite board, one or mixtures of more of long glass fibers or long glass fibers and carbon fibers, glass fiber cloth, carbon fiber cloth or short-cut glass fibers are used as fiber reinforced bodies which are alternately distributed in a polyurethane foaming raw material matrix in a layered form. The combined fiber reinforced water-blown polyurethane hard foam composite board has the advantages of high strength, good rigidity and better size stability and high-temperature resistance. In the invention, the continuous production equipment is adopted, thereby the production efficiency and the product quality stability are improved.

Description

technical field [0001] The invention belongs to the technical field of polymer composite materials, and in particular relates to a combined fiber-reinforced water-foamed polyurethane rigid foam composite board and its production method and continuous production process, which are widely applicable to railway sleepers, building materials, automobile structural parts, Corrosion equipment, sports and entertainment products. Background technique [0002] The main characteristics of polyurethane foam are porosity, low relative density and high specific strength. Polyurethane foam has excellent physical and mechanical properties, acoustic properties, electrical properties and chemical resistance, especially the thermal conductivity of rigid polyurethane foam is particularly low, it is a high-quality thermal insulation and cold insulation material, and it also has good processing performance and formability. However, when polyurethane rigid foam is used as a load-bearing structur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B17/04B32B5/22B32B27/04B32B27/40C08L75/08C08K7/14C08K7/06C08K5/526C08K5/521C08G18/48C08G101/00
Inventor 王立峰唐波徐永祥李博
Owner AEROSPACE RES INST OF MATERIAL & PROCESSING TECH
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