Special high-surface-tension PC/ABS material for in-mold transfer printing and preparation method thereof
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An ABS material, in-mold transfer technology, applied in the field of polymer materials, can solve the problems of insufficient surface tension, low qualified rate of transfer finished products, pattern breakage, etc., to prevent the viscosity of the system from rising, improve color brightness, improve pigment dispersive effect
Pending Publication Date: 2021-12-31
NANJING JULONG SCI&TECH CO LTD +1
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[0005] That is to say, in the prior art, due to the insufficient surface tension and poor corrosion resistance of the PC/ABS material in the IMD transfer process, the qualified rate of the transferred product is low, and it is prone to poor adhesion of the foi
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preparation example Construction
[0028] The preparation method of the special high surface tension PC / ABS material for in-mold transfer printing comprises the following steps:
[0029] (1) Take each component in proportion;
[0030] (2) Add ABS resin, PC resin, compatibilizer, coupling agent, antioxidant and lubricant in proportion to the high-speed mixer to obtain the mixture after high-speed mixing;
[0031] (3) The mixture obtained in step (2) is sent into a twin-screw extruder, and the required PC / ABS material is obtained after melt blending, extrusion granulation, and drying;
[0032] Wherein, the preparation process temperature of each zone of the twin-screw extruder is: zone 1 100°C, zone 2 200°C, zone 3 220°C, zone 4 230°C, zone 5 230°C, zone 6 220°C, zone 7 220°C , 220°C in the eighth zone, 220°C in the ninth zone, 220°C in the tenth zone, and a head temperature of 230°C; the screw speed of the twin-screw extruder is 400-600 rpm.
[0033] The specific component weight percentages of each embodiment...
Embodiment 1
[0035] A PC / ABS material with high surface tension for in-mold transfer printing, including the following components by weight percentage:
[0036]
[0037] In this embodiment, the lubricant is PETS, and the screw speed of the twin-screw extruder is 400 rpm.
Embodiment 2
[0039] A PC / ABS material with high surface tension for in-mold transfer printing, including the following components by weight percentage:
[0040]
[0041] In this embodiment, the lubricant is silicone masterbatch, and the screw speed of the twin-screw extruder is 4600 rpm.
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Abstract
The invention discloses a special high-surface-tension PC/ABS material for in-mold transfer printing. A coupling agent adopts a phthalic ester coupling agent, the phthalic ester coupling agent is subjected to blending modification with ABS resin and PC resin which are prepared by a bulk process, alkoxy in the phthalic ester coupling agent has reactivity to inorganic matters to form a unique monomolecular film, and long carbon chain alkane in the phthalic ester coupling agent is bent and entangled with an organic polymer; therefore, when the phthalic ester coupling agent is between an inorganic interface and an organic interface, an organic matrix-phthalic ester coupling agent-inorganic matrix bonding layer can be formed, so that the effect of greatly improving the surface tension of the material is achieved; meanwhile, the phthalic ester coupling agent is used as a coordination type phthalic ester coupling agent, so that the situation that the viscosity of a system is increased due to transesterification of PC resin can be effectively prevented; in addition, the phthalic ester coupling agent can also effectively improve the dispersibility of the pigment and improve the color brightness of the product, and is beneficial to industrial production and application.
Description
technical field [0001] The invention relates to the technical field of polymer materials, in particular to a PC / ABS material with high surface tension for in-mold transfer printing and a preparation method thereof. Background technique [0002] PC / ABS resin material is a polymer material with high impact, high rigidity, low temperature resistance and easy processing and molding. It also has good gloss and mechanical properties. It is widely used in household appliances, electronic appliances, automobiles and other industries. [0003] In-mold decoration technology, also known as paint-free technology. English name: In-Mold Decoration, referred to as IMD. IMD is an internationally popular surface decoration technology. The surface is hardened transparent film, the middle printing pattern layer, the back injection molding layer, and the ink middle, which can make the product resistant to friction, prevent the surface from being scratched, and can maintain bright colors for a ...
Claims
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