A kind of paint thinner suitable for glass fiber reinforced pc composite material base material and its application
A technology of composite materials and diluents, applied in the field of diluents, can solve the problems of poor toughness and easy bursting of paint films
Active Publication Date: 2021-02-05
惠州市维尔康王漆化工有限公司
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Problems solved by technology
However, the toughness of the coated paint film is poor, and it is easy to burst when the glass fiber reinforced PC composite material substrate is repeatedly bent
Method used
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[0012] The present invention will be described in detail below in conjunction with examples and comparative examples. Examples are only preferred implementations of the present invention, not limitations of the present invention.
[0013] The following table is the formulation table of 3 embodiment diluents and 1 comparative ratio diluent:
[0014]
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The invention belongs to the field of coatings, in particular to a diluent used for thinning paints. A thinner for paint suitable for glass fiber reinforced PC composite substrates, consisting of the following components in mass percentage: 30-50% ethyl ester, 2-8% acetone, 5-15% butyl ester, isobutanol 10‑20%, Isopropyl Alcohol 15‑25%, Diacetone Alcohol 5‑15%. The application of the above diluent is to dilute the paint to a suitable viscosity and then coat it on the surface of the glass fiber reinforced PC composite material. The paint diluted with the diluent of the present invention is coated on the glass fiber reinforced PC composite material base material, the toughness of the paint film is obviously enhanced, and the paint film can withstand multiple times of bending at 90 DEG C without bursting.
Description
technical field [0001] The invention belongs to the field of coatings, in particular to a diluent used for thinning paints. Background technique [0002] Polycarbonate (PC) is a common engineering plastic. Due to its low mechanical properties, it has some limitations in the field of use, so people began to use glass fiber to reinforce polycarbonate. Polycarbonate modified by glass fiber reinforcement has high mechanical strength and is suitable for injection, extrusion, and compression molding. Its excellent impact resistance and dimensional stability make it suitable for fields with extremely high mechanical performance requirements. Functional role, and replace heavy metal parts. Typical applications are electronic power connectors, trunking, offset plates, capacitor shells, metal parts, sports and leisure products, etc. [0003] The surface of glass fiber reinforced PC composites needs to be coated with paint for aesthetics and protection. Higher viscosity paints need ...
Claims
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IPC IPC(8): C09D7/20C09D133/00C08J7/04C08L69/00
CPCC08J2369/00C08J2433/00C09D133/00C08J7/0427
Inventor 张鸿发
Owner 惠州市维尔康王漆化工有限公司