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Carbon fiber strengthened polyurethane foam plastic and preparation method thereof

A foamed plastic and carbon fiber technology, applied in the field of carbon fiber reinforced polyurethane foamed plastics and its preparation, can solve the problems of high price of polyurethane foamed plastics, poor temperature resistance and fire resistance, shortage of raw materials, etc., and achieves improved mechanical strength and chemical corrosion resistance. performance, good performance, the effect of extending the temperature range

Inactive Publication Date: 2015-10-14
SUZHOU POLYMER NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition to the high price and shortage of raw materials, polyurethane foam plastics have the biggest disadvantages of poor heat resistance and fire resistance, and it is unfavorable to use them in environments with temperatures higher than 100 °C.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A carbon fiber reinforced polyurethane foam, prepared from the following raw materials in parts by weight:

[0022] 80 parts of polyurethane emulsion, 18 parts of carbon fiber, 5 parts of methyl ethyl ketone peroxide, 8 parts of titanium acetylacetonate, 10 parts of trimethoxysilane, 6 parts of calcium sulfonate and 18 parts of nano calcium carbonate.

[0023] A preparation method of carbon fiber reinforced polyurethane foam, the preparation steps are as follows:

[0024] (1) Accurately weigh each raw material;

[0025] (2) Mix the raw materials evenly and put them into the injection molding machine for molding. The barrel temperature is 245°C, the injection pressure is 115Mpa, the mold temperature is 65°C, the holding time is 65s, and the cooling time is 110s;

[0026] (3) After cooling and molding by the injection molding machine, the carbon fiber reinforced polyurethane foam is obtained.

[0027] Test the performance of carbon fiber reinforced polyurethane foam, th...

Embodiment 2

[0029] A carbon fiber reinforced polyurethane foam, prepared from the following raw materials in parts by weight:

[0030] 66 parts of polyurethane emulsion, 8 parts of carbon fiber, 2 parts of methyl ethyl ketone peroxide, 3 parts of titanium acetylacetonate, 5 parts of trimethoxysilane, 2 parts of calcium sulfonate and 10 parts of nano calcium carbonate.

[0031] A preparation method of carbon fiber reinforced polyurethane foam, the preparation steps are as follows:

[0032] (1) Accurately weigh each raw material;

[0033] (2) Mix the raw materials evenly and put them into the injection molding machine for molding. The barrel temperature is 245°C, the injection pressure is 90Mpa, the mold temperature is 65°C, the holding time is 60s, and the cooling time is 110s;

[0034] (3) After cooling and molding by the injection molding machine, the carbon fiber reinforced polyurethane foam is obtained.

[0035] Test the performance of carbon fiber reinforced polyurethane foam, the r...

Embodiment 3

[0037] A carbon fiber reinforced polyurethane foam, prepared from the following raw materials in parts by weight:

[0038] 78 parts of polyurethane emulsion, 16 parts of carbon fiber, 4 parts of methyl ethyl ketone peroxide, 7 parts of titanium acetylacetonate, 9 parts of trimethoxysilane, 5 parts of calcium sulfonate and 17 parts of nano calcium carbonate.

[0039] A preparation method of carbon fiber reinforced polyurethane foam, the preparation steps are as follows:

[0040] (1) Accurately weigh each raw material;

[0041] (2) Mix the raw materials evenly and put them into the injection molding machine for molding. The barrel temperature is 245°C, the injection pressure is 105Mpa, the mold temperature is 65°C, the holding time is 60s, and the cooling time is 110s;

[0042] (3) After cooling and molding by the injection molding machine, the carbon fiber reinforced polyurethane foam is obtained.

[0043] Test the performance of carbon fiber reinforced polyurethane foam, the...

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Abstract

The invention discloses a carbon fiber strengthened polyurethane foam plastic and a preparation method thereof, and belongs to the technical field of materials. The foam plastic is composed of the following raw materials in parts by weight: 66 to 80 parts of polyurethane emulsion, 8 to 18 parts of carbon fiber, 2 to 5 parts of methyl ethyl ketone peroxide, 3 to 8 parts of acetyl acetone titanium, 5 to 10 parts of trimethoxy silane, 2 to 6 parts of calcium sulfonate, and 10 to 18 parts of nano calcium carbonate. The preparation method comprises the following steps: (1) weighing; (2) putting the raw materials into an injection moulding machine; (3) cooling and moulding. The provided carbon fiber strengthened polyurethane foam plastic preserves the soft property of polyurethane foam plastic, moreover, and has a higher mechanical strength and better chemical corrosion resistant performance, compared with those of polyurethane foam plastic. Moreover, the provided foam plastic has a fireproof performance and thus can maintain good performances at a high temperature.

Description

technical field [0001] The invention belongs to the technical field of materials, in particular to a carbon fiber reinforced polyurethane foam and a preparation method thereof. Background technique [0002] Polyurethane foam is made of isocyanate and hydroxyl compound through polymerization and foaming. According to its hardness, it can be divided into two types: soft and hard, of which soft is the main variety. Generally speaking, it has excellent elasticity, softness, elongation and compressive strength; good chemical stability, resistance to many solvents and oils; excellent abrasion resistance, 20 times larger than natural sponge; and excellent processing It is a kind of cushioning material with excellent performance, but the price is relatively high. [0003] In addition to the high price and shortage of raw materials, polyurethane foam plastics have the biggest disadvantage of poor heat resistance and fire resistance, and it is unfavorable to use them in environments ...

Claims

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Application Information

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IPC IPC(8): C08L75/04C08K13/04C08K7/06C08K5/14C08K5/07C08K5/5419C08K3/26B29C45/78B29C45/77
Inventor 翟红波杨振枢韦洪屹
Owner SUZHOU POLYMER NEW MATERIALS TECH
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