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A kind of high-gloss high-black spray-free pc/pet alloy resin and preparation method thereof

A technology of alloy resin and high-speed mixer, which is applied in the field of polymer materials, can solve problems such as the inability to achieve spray-free effects, high blackness requirements, and insufficient gloss, and achieve good wear resistance, reduce spraying costs, and toughness Good results

Active Publication Date: 2019-12-03
SHANGHAI ZHONGLEI NEW MATERIAL SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the modified PC / PET alloy resin is difficult to make the blackness meet the high black requirement and the gloss is not enough
In order to make PC / PET alloy resin achieve spray-free effect, it requires high gloss, color and wear resistance. Generally, PC / PET alloy resin cannot achieve spray-free effect, and when PC / PET alloy resin is used When it comes to automotive trim, the wear resistance is still not as good as that of painted parts

Method used

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  • A kind of high-gloss high-black spray-free pc/pet alloy resin and preparation method thereof
  • A kind of high-gloss high-black spray-free pc/pet alloy resin and preparation method thereof
  • A kind of high-gloss high-black spray-free pc/pet alloy resin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The raw materials for preparing the PC / PET alloy resin provided in this embodiment include the following components:

[0052]

[0053] The preparation method is as follows:

[0054] (1) Mix PC, PET, silicone anti-wear agent, lubricant, coupling agent and antioxidant in a high-speed mixer for 4 minutes.

[0055] (2) Add Solvent Violet, Solvent Yellow and Solvent Orange to the mixture obtained in step (1), mix in a high-speed mixer for 4.5 minutes, use a twin-screw extruder to melt for 2 minutes, extrude and pellet to obtain the PC / PET alloy resin; the temperature of the twin-screw extruder is designed as: 230°C in the first zone, 240°C in the second zone, 250°C in the third zone, 260°C in the fourth zone, and 260°C in the fifth zone. The temperature in the six zone is 260℃, the temperature in the seven zone is 260℃, the temperature in the eight zone is 260℃, the temperature in the nine zone is 260℃, the temperature in the ten zone is 270℃, the screw speed is 500r / min, and the ...

Embodiment 2

[0057] The raw materials for preparing the PC / PET alloy resin provided in this embodiment include the following components:

[0058]

[0059]

[0060] The preparation method is as follows:

[0061] (1) Mix PC, PET, silicone anti-wear agent, lubricant, coupling agent and antioxidant in a high-speed mixer for 3 minutes.

[0062] (2) Add Solvent Violet, Solvent Yellow and Solvent Orange to the mixture obtained in step (1), mix in a high-speed mixer for 5 minutes, use a twin-screw extruder to melt for 1 minute, extrude and pelletize to obtain the PC / PET alloy resin; the temperature design of the twin-screw extruder is: zone one is 225℃, zone two is 235℃, zone three is 245℃, zone four is 255℃, zone five is 255℃, six Zone temperature is 255℃, zone seven temperature is 255℃, zone eight temperature is 255℃, zone nine temperature is 255℃, zone ten temperature is 265℃, screw speed is 450r / min, vacuum degree of twin screw extruder is working It is 0.12MPa.

Embodiment 3

[0064] The raw materials for preparing the PC / PET alloy resin provided in this embodiment include the following components:

[0065]

[0066]

[0067] The preparation method is as follows:

[0068] (1) Mix PC, PET, silicone anti-wear agent, lubricant, coupling agent and antioxidant in a high-speed mixer for 5 minutes.

[0069] (2) Add Solvent Violet, Solvent Yellow and Solvent Orange to the mixture obtained in step (1), mix in a high-speed mixer for 4 minutes, use a twin-screw extruder to melt for 3 minutes, extrude and pelletize to obtain the PC / PET alloy resin; the temperature design of the twin-screw extruder is: zone one is 235℃, zone two is 245℃, zone three is 255℃, zone four is 265℃, zone five is 265℃, six The temperature in zone is 265℃, the temperature in zone seven is 265℃, the temperature in zone eight is 265℃, the temperature in zone nine is 265℃, the temperature in zone ten is 275℃, the screw speed is 550r / min, the vacuum degree of twin screw extruder is working It is ...

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Abstract

The invention discloses high-glossiness and high-blackness spraying-free PC / PET alloy resin and a preparation method thereof. Preparation raw materials for the PC / PET alloy resin comprise the following components: 50 to 70 weight parts of PC, 30 to 50 weight parts of PET, 1.3 to 2 weight parts of a silicone wear-resisting agent, 0.5 to 1 weight part of a lubricating agent, 0.2 to 1 weight part ofa coupling agent, 0.2 to 0.8 weight part of an antioxidant, 1 to 1.2 weight parts of solvent purple, 0.5 to 0.7 weight part of solvent yellow and 0.3 to 0.5 weight part of solvent orange. The PC / PET material prepared through the preparation method disclosed by the invention finally solves the problems that the PC / PET coloring blackness is insufficient and the wear resistance is low; meanwhile, asa spraying-free product, the PC / PET material reduces the spraying cost and improves environmental pollution.

Description

Technical field [0001] The invention belongs to the field of polymer materials, and relates to a PC / PET alloy resin and a preparation method thereof, in particular to a high wear-resistant PC / PET alloy resin with high gloss, high black and spray-free effects and a preparation method thereof. Background technique [0002] PC (polycarbonate) is a tough thermoplastic polymer, colorless, transparent, heat-resistant and impact-resistant. It has good mechanical properties within the temperature range of use, and has good processing properties, but PC has poor wear resistance and water resistance The solution stability is poor. After trying to modify PC, it is found that PC / PET alloy resin has better mechanical properties, super toughness and a certain increase in the wear resistance of PC. [0003] Generally, the surface treatment method for interior and exterior materials of automobiles is spraying or electroplating, and most interior and exterior materials of automobiles generally req...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L69/00C08L67/02C08L83/04C08K13/02C08K5/20B29C48/92
CPCB29C48/92B29C2948/9258B29C2948/92704C08L67/02C08L69/00C08L2205/03C08L83/04C08K13/02C08K5/20
Inventor 刘春艳王春光汪刘磊管建
Owner SHANGHAI ZHONGLEI NEW MATERIAL SCI CO LTD
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