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Hydrolysis resistant polycarbonate composite material and preparation method thereof

A technology of polycarbonate and composite materials, which is applied in the field of hydrolysis-resistant polycarbonate composite materials and its preparation, can solve the problems of reduced service life and poor hydrolysis resistance, and achieves improved performance, excellent thermal deformation resistance, and excellent thermal deformation resistance. The effect of high temperature resistance and hydrolysis resistance

Inactive Publication Date: 2018-06-29
林建民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the hydrolysis resistance of most polycarbonate materials is not good, which limits its application range, especially in high temperature and high humidity environments, which will greatly reduce the service life, so it needs to be improved

Method used

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  • Hydrolysis resistant polycarbonate composite material and preparation method thereof
  • Hydrolysis resistant polycarbonate composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A hydrolysis-resistant polycarbonate composite material, the raw material formula is: polycarbonate 48%, silicone polycarbonate copolymer 35%, antioxidant 0.5%, lubricant 3%, m-methylaniline 4%, containing Fluorine compound 6%, the rest is toughening agent.

[0024] Specifically, the silicone polycarbonate copolymer includes 30-65 parts of silicone polycarbonate copolymer A and 30-65 parts of silicone polycarbonate copolymer B.

[0025] Specifically, the molecular weight of the silicone polycarbonate copolymer A is 12000-18000, and the molecular weight of the silicone polycarbonate copolymer B is 15000-26000.

[0026] Specifically, the polycarbonate includes type A, type B, and type C, wherein the molecular weight of type A is 10,000-30,000, the molecular weight of type B is 15,000-18,000, and the molecular weight of type C is 22,000.

[0027] A preparation method of a hydrolysis-resistant polycarbonate composite material, comprising the following steps:

[0028] 1) A...

Embodiment 2

[0035] A kind of hydrolysis-resistant polycarbonate composite material and preparation method thereof as described in embodiment 1, can also adopt following technology:

[0036] The raw material formula is: polycarbonate 52%, silicone polycarbonate copolymer 30%, antioxidant 0.7%, lubricant 4%, m-methylaniline 3%, fluorine-containing compound 5%, and the rest is Toughener.

[0037] In step 2), the heating temperature is 102°C, and the reaction temperature is kept at 110°C.

[0038] In step 3), the heating temperature is 131°C, and the reaction temperature is kept at 142°C.

[0039] In step 5), the extrusion temperature of the independent section is 390°C, the extrusion temperature of the filling section is 470°C, and the extrusion temperature of the meshing section is 550°C.

Embodiment 3

[0041] A kind of hydrolysis-resistant polycarbonate composite material and preparation method thereof as described in embodiment 1, can also adopt following process:

[0042] The raw material formula is: polycarbonate 32%, silicone polycarbonate copolymer 42%, antioxidant 0.1%, lubricant 5%, m-methylaniline 5%, fluorine-containing compound 7%, and the rest is Toughener.

[0043] In step 2), the heating temperature is 135°C, and the reaction temperature is kept at 85°C.

[0044] In step 3), the heating temperature is 92°C, and the reaction temperature is kept at 157°C.

[0045] In step 5), the extrusion temperature of the independent section is 410°C, the extrusion temperature of the filling section is 420°C, and the extrusion temperature of the meshing section is 560°C.

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Abstract

The invention provides a hydrolysis resistant polycarbonate composite material and a preparation method thereof. Components such as m-methylaniline and fluorochemicals are added into the ingredients of the polycarbonate composite material, in the preparation process, the components react with polycarbonate and an organic silicone polycarbonate copolymer which have different molecular weights to prepare a first base material and a second base material, the components can be enabled to sufficiently react with one another, the mixing effect is improved, meanwhile, the technological parameters such as the reaction temperature and the extrusion temperature are strictly controlled so as to improve the reaction effect of the components, and thus the effect of synergistic interaction can be achieved, and the performance of the product is substantially improved. Proofing by the experiments, the hydrolysis resistant polycarbonate composite material prepared by adopting the preparation method provided by the inventino has outstanding thermal deformation resistant capability and high temperature resistant and hydrolysis resistant capabilities, can be widely applied to shells in various fields,and still has the prominent service life under a severe environment.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a hydrolysis-resistant polycarbonate composite material and a preparation method thereof. Background technique [0002] At present, most polycarbonate materials have poor hydrolysis resistance, which limits their application range, especially in high temperature and high humidity environments, which will greatly reduce the service life, so it needs to be improved. Contents of the invention [0003] In order to overcome the above problems, the present invention provides a hydrolysis-resistant polycarbonate composite material and a preparation method thereof. [0004] To achieve the above object, the technical solution provided by the invention is: [0005] A hydrolysis-resistant polycarbonate composite material, the raw material formula is: polycarbonate 32-66%, silicone polycarbonate copolymer 25-42%, antioxidant 0.1-1.0%, lubricant 2-5%, 2-5% m-methylaniline, 2-7% fluorine-c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L83/10C08K5/18C08K5/5419
CPCC08L69/00C08L83/10C08L2201/08C08L2205/025C08L2205/03C08K5/18C08K5/5419
Inventor 林建民
Owner 林建民
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