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Composite material for solving paint bottom biting phenomenon

A composite material and phenomenon technology, applied in the field of polymer composite materials, can solve problems such as bottom bite, and achieve the effect of reducing swelling and cracking, avoiding corrosion, and improving erosion.

Pending Publication Date: 2020-03-17
TIANJIN KINGFA NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention aims to propose a composite material used to solve the phenomenon of paint bottoming, by spraying with the composite material of the present invention, the problem of paint bottoming can be effectively solved

Method used

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  • Composite material for solving paint bottom biting phenomenon
  • Composite material for solving paint bottom biting phenomenon
  • Composite material for solving paint bottom biting phenomenon

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A composite material for solving the bottoming phenomenon of paint, prepared from components including the following parts by mass:

[0053] PC1: 47g; SAN: 35g; PC2: 5g; ABS high rubber powder: 5.5g; maleic anhydride graft: 4.5g; compatibilizer: 2.5g; black masterbatch: 0.5g; primary antioxidant: 0.1g ; Auxiliary antioxidant: 0.2g; Internal lubricant: 0.3g; External lubricant: 0.3g.

[0054] Wherein, PC1 is a linear polycarbonate derived from bisphenol A and phosgene, with a weight average molecular weight of 20000-40000 g / mol. Selected from Taiwan Idemitsu Petrochemical Co., Ltd.

[0055] PC2 is a linear polycarbonate derived from bisphenol A and phosgene, with a weight average molecular weight of 40000-60000 g / mol. Selected from Taiwan Idemitsu Petrochemical Co., Ltd.

[0056] The main antioxidant is a mixture of hindered phenol antioxidant and phosphite antioxidant. It is produced and provided by Ciba Company.

[0057] The main antioxidant is a mixture of hinder...

Embodiment 2

[0065] A composite material for solving the bottoming phenomenon of paint, prepared from components including the following parts by mass:

[0066] PC1: 35g; SAN: 40g; PC2: 10g; ABS high rubber powder: 6g; maleic anhydride graft: 5g; compatibilizer: 3g; black mother: 1g; primary antioxidant: 0.1g; auxiliary antioxidant Agent: 0.2g; Internal lubricant: 0.3g; External lubricant: 0.3g.

[0067] Wherein, PC1 is a linear polycarbonate derived from bisphenol A and phosgene, with a weight average molecular weight of 20000-40000 g / mol. Selected from Taiwan Idemitsu Petrochemical Co., Ltd.

[0068] PC2 is a linear polycarbonate derived from bisphenol A and phosgene, with a weight average molecular weight of 40000-60000 g / mol. Selected from Taiwan Idemitsu Petrochemical Co., Ltd.

[0069] The main antioxidant is a mixture of hindered phenol antioxidant and phosphite antioxidant. It is produced and provided by Ciba Company.

[0070] The main antioxidant is a mixture of hindered phenol...

Embodiment 3

[0078] A composite material for solving the bottoming phenomenon of paint, prepared from components including the following parts by mass:

[0079] PC1: 30g; SAN: 40g; PC2: 14g; ABS high rubber powder: 6g; maleic anhydride graft: 5.5g; compatibilizer: 3.5g; black mother: 1g; primary antioxidant: 0.1g; auxiliary Antioxidant: 0.2g; Internal lubricant: 0.3g; External lubricant: 0.3g.

[0080] Wherein, PC1 is a linear polycarbonate derived from bisphenol A and phosgene, with a weight average molecular weight of 20000-40000 g / mol. Selected from Taiwan Idemitsu Petrochemical Co., Ltd.

[0081] PC2 is a linear polycarbonate derived from bisphenol A and phosgene, with a weight average molecular weight of 40000-60000 g / mol. Selected from Taiwan Idemitsu Petrochemical Co., Ltd.

[0082] The main antioxidant is a mixture of hindered phenol antioxidant and phosphite antioxidant. It is produced and provided by Ciba Company.

[0083] The main antioxidant is a mixture of hindered phenol...

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Abstract

The invention provides a composite material for solving a paint bottom biting phenomenon. The composite material is prepared from the following components in parts by mass: 30-40 parts of PC1; 35-45 parts of SAN; 5-15 parts of PC2; 5.5-6.5 parts of ABS high rubber powder; 4.5-5.5 parts of a maleic anhydride graft; 2.5-3.5 parts of a compatilizer; 0.5-1.5 parts of black masterbatch; 0.1 part of a main antioxidant; 0.2 part of an auxiliary antioxidant; 0.3 part of an internal lubricant; and 0.3 part of an external lubricant. According to the composite material for solving the paint bottom bitingphenomenon, by using the formula, the problem of paint bottom biting can be effectively solved, a fracture phenomenon is avoided, the tensile strength is high, and mechanical properties such as the bending strength and the bending modulus are excellent.

Description

technical field [0001] The invention belongs to the technical field of polymer composite materials, and in particular relates to a composite material for solving the bottom-biting phenomenon of paint. Background technique [0002] During the spraying process, these plastics often encounter the phenomenon that the organic solvent in the paint swells or erodes the plastic substrate. Moderately swelling or eroding the substrate is helpful to the adhesion of the paint on the substrate, but excessively eroding the substrate will cause the bottom to bite, making the painted surface appear black, faded, and lose gloss, seriously Sometimes there will be bad phenomena such as cracking, which will lead to product scrapping and unnecessary losses, which will bring great inconvenience to the painting work. In addition to some human factors when painting, there may be problems with the formulation design of the paint itself, especially the solvents and thinners used. [0003] Undercutt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/12C08L69/00C08L55/02C08L51/00
CPCC08L25/12C08L69/00C08L2205/035C08L2205/08C08L2205/025C08L55/02C08L51/003
Inventor 孙付宇王燕李文龙钱文轩季得运
Owner TIANJIN KINGFA NEW MATERIAL
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