Continuous long fiber reinforced thermoplastic polyurethane material and preparation method thereof

A thermoplastic polyurethane and polyurethane material technology, which is applied in the field of continuous long fiber reinforced thermoplastic polyurethane materials and their preparation, can solve the problems that the parts cannot be recycled, weak interaction, etc., and achieves simple structure, improved interface effect, and reasonable design. Effect

Active Publication Date: 2012-07-04
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that the glass fiber length is only 0.3-0.6mm, and the interaction with the polyurethane resin matrix is ​​relatively weak, and the cured parts cannot be recycled.

Method used

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  • Continuous long fiber reinforced thermoplastic polyurethane material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The present invention provides a continuous long fiber reinforced thermoplastic polyurethane material. The polyurethane material has a cutting length of 11-13mm and a particle size of 2.0-4.0mm, and includes the following components and parts by weight:

[0033] Thermoplastic polyurethane 600

[0034] Continuous glass fiber 400

[0035] Compatibilizer 10

[0036] Antioxidant 12

[0037] Lubricant 5

[0038] Crosslinking agent 5

[0039] The thermoplastic polyurethane is polyester polyurethane, and its Rockwell hardness is 110R;

[0040] The continuous long fiber reinforcing agent is continuous alkali-free glass fiber with a fiber diameter of 27 μm;

[0041] The compatibilizer is SMA resin (styrene-maleic anhydride resin), in which the content of maleic anhydride is 0.5 to 1.5%;

[0042] The antioxidant is antioxidant 1010 (tetra (β-(3,5-di-tert-butyl-4 hydroxyphenyl) propionic acid) pentaerythritol ester), and antioxidant PEPQ (tetra (2,4- Di-tert-butylphenol)-4,4'-biphenyl diphosphi...

Embodiment 2

[0053] Thermoplastic polyurethane 600

[0054] Continuous glass fiber 400

[0055] Compatibilizer 15

[0056] Antioxidant 12

[0057] Lubricant 5

[0058] Crosslinking agent 10

[0059] The thermoplastic polyurethane is polyester polyurethane, and its Rockwell hardness is 110R;

[0060] The continuous long fiber reinforcing agent is continuous alkali-free glass fiber with a fiber diameter of 27 μm;

[0061] The compatibilizer is SMA resin (styrene-maleic anhydride resin), in which the content of maleic anhydride is 0.5 to 1.5%;

[0062] The antioxidant is antioxidant 1010 (tetra (β-(3,5-di-tert-butyl-4 hydroxyphenyl) propionic acid) pentaerythritol ester), and antioxidant PEPQ (tetra (2,4- Di-tert-butylphenol)-4,4'-biphenyl diphosphite) mixture, the weight ratio of the two is 1:2;

[0063] The lubricant is pentaerythritol stearate (PETS);

[0064] The crosslinking agent used is triglycidyl isocyanurate (TGIC);

[0065] The continuous long fiber reinforced polyurethane material is prepared by ...

Embodiment 3

[0074] Thermoplastic polyurethane 600

[0075] Continuous glass fiber 400

[0076] Compatibilizer 15

[0077] Antioxidant 12

[0078] Lubricant 5

[0079] Crosslinking agent 15

[0080] The thermoplastic polyurethane is polyester polyurethane, and its Rockwell hardness is 110R;

[0081] The continuous long fiber reinforcing agent is continuous alkali-free glass fiber with a fiber diameter of 27 μm;

[0082] The compatibilizer is SMA resin (styrene-maleic anhydride resin), in which the content of maleic anhydride is 0.5 to 1.5%;

[0083] The antioxidant is antioxidant 1010 (tetra (β-(3,5-di-tert-butyl-4 hydroxyphenyl) propionic acid) pentaerythritol ester), and antioxidant PEPQ (tetra (2,4- Di-tert-butylphenol)-4,4'-biphenyl diphosphite) mixture, the weight ratio of the two is 1:2;

[0084] The lubricant is pentaerythritol stearate (PETS);

[0085] The crosslinking agent used is triglycidyl isocyanurate (TGIC);

[0086] The continuous long fiber reinforced polyurethane material is prepared by ...

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Abstract

The invention belongs to the technical field of high polymer materials and discloses a continuous long fiber reinforced thermoplastic polyurethane material and a preparation method thereof. The continuous long fiber reinforced thermoplastic polyurethane material disclosed by the invention comprises the following components in parts by weight: 200-800 parts of thermoplastic polyurethane, 800-200 parts of continuous long fiber reinforcing agent, 10-30 parts of compatilizer, 10-20 parts of antioxidant, 2-6 parts of lubricating agent and 5-10 parts of crosslinking agent. Compared with the prior art, the continuous long fiber reinforced thermoplastic polyurethane material disclosed by the invention is simple in structure, reasonable in design and strong in practicability; and a long glass fiber reinforced thermoplastic polyurethane material is adopted, thereby greatly improving the rigidity and strength of the material and obviously improving the anti-impact property and heat-resistant property of the material.

Description

Technical field [0001] The invention belongs to the technical field of polymer materials, and specifically relates to a continuous long fiber reinforced thermoplastic polyurethane material and a preparation method thereof. Background technique [0002] TPU (Thermoplastic Polyurethane Elastomer) is a new type of plastic. Because TPU has good processability, weather resistance, and environmental protection, it is widely used in shoe materials, pipes, films, rollers, cables and wires and other related industries. The outstanding characteristics of thermoplastic polyurethane elastomer are excellent wear resistance, excellent ozone resistance, low temperature resistance, good oil resistance, chemical resistance and environmental resistance. The hydrolytic stability of polyether esters in humid environments far exceeds that of polyesters. type. However, the shortcomings of the thermoplastic polyurethane elastomer material, such as low strength and poor heat resistance, greatly limit i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/06C08K13/04C08K7/14C08K7/06C08J5/04B29C47/92B29C48/92
CPCB29B9/14B29B7/46B29B7/72B29B7/7461B29B7/90B29B9/06B29B9/12B29C48/0022B29C48/04
Inventor 蒋超杰
Owner HEFEI GENIUS NEW MATERIALS
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