Preparation method for aesthetic resin for improving affinity of aluminum powder pigment

An aesthetic resin, affinity technology, applied in fibrous filler, dyed polymer organic compound treatment, dyed organic silicon compound treatment and other directions, can solve problems such as pollution and agglomeration, achieve broad application prospects, improve dispersion, surface handle full effect

Active Publication Date: 2012-03-14
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a preparation method for improving the affinity of aluminum powder and aesthetic resin in order to overcome the defects in the above-mentioned prior art, and the aesthetic resin prepared by the method can not only obviously improve the affinity of aluminum powder pigment and aesthetic resin The aluminum powder pigment is not easy to fall off from the resin matrix during the production and cutting process, causing pollution and the problems of agglomeration and accumulation in the subsequent molding process; and it can further improve the dispersion of the aluminum powder pigment in the aesthetic resin

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of preparation method of the aesthetic resin of improving aluminum powder pigment affinity, this method comprises the following steps:

[0027] In the first step, 10g of ethanol and 200g of aluminum powder pigment (particle size 100um) were stirred in a mixer at a low speed (60prm) for 5min;

[0028] In the second step, add 20g of silane coupling agent to the treated aluminum powder pigment, and move them together to a high-speed mixer for 10 minutes to complete the pretreatment of aluminum powder pigment;

[0029] The third step is to mix the pretreated aluminum powder pigment with SAN-GMA and high-gloss ABS resin in a high-speed mixer in a weight ratio of 10:50:40, and then extrude and granulate aluminum-containing pigment through twin-screw extrusion. 10%wt aluminum powder pigment masterbatch;

[0030] The fourth step is to add the aluminum powder and pigment masterbatch to the high-gloss ABS resin in a proportion of 10wt% by weight, stir and mix thoroughly i...

Embodiment 2

[0032] A kind of preparation method of the aesthetic resin of improving aluminum powder pigment affinity, this method comprises the following steps:

[0033] In the first step, 20g of ethanol and 200g of aluminum powder pigment (particle size 100um) were stirred in a mixer at a low speed (60prm) for 5min;

[0034] In the second step, add 30g of silane coupling agent to the treated aluminum powder pigment, and move them to a high-speed mixer for 10 minutes to complete the pretreatment of aluminum powder pigment;

[0035] The third step is to mix the pretreated aluminum powder pigment with SAN-GMA and high-gloss ABS resin in a high-speed mixer in a weight ratio of 10:50:40, and then extrude and granulate aluminum-containing pigment through twin-screw extrusion. 10%wt aluminum powder pigment masterbatch;

[0036] The fourth step is to add the aluminum powder and pigment masterbatch to the high-gloss ABS resin in a proportion of 10wt% by weight, stir and mix thoroughly in the hig...

Embodiment 3

[0038] A kind of preparation method of the aesthetic resin of improving aluminum powder pigment affinity, this method comprises the following steps:

[0039]In the first step, 20g of ethanol and 200g of aluminum powder pigment (particle size 100um) were stirred in a mixer at a low speed (60prm) for 5min;

[0040] In the second step, add 30g of silane coupling agent to the treated aluminum powder pigment, and move them to a high-speed mixer for 10 minutes to complete the pretreatment of aluminum powder pigment;

[0041] The third step is to mix the pretreated aluminum powder pigment with SMA and high-gloss ABS resin in a high-speed mixer in a weight ratio of 10:50:40, and then extrude and granulate the aluminum powder pigment with 10% aluminum powder. wt aluminum pigment masterbatch;

[0042] The fourth step is to add the aluminum powder and pigment masterbatch to the high-gloss ABS resin in a proportion of 10wt% by weight, stir and mix thoroughly in the high-speed mixer, and ...

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Abstract

The present invention relates to a preparation method for an aesthetic resin for improving affinity of an aluminum powder pigment. According to the method, an organic solvent and an aluminum powder pigment are stirred at a middle-low speed in a stirring machine, and are added with a coupling agent; the resulting mixture is transferred to a high-speed mixer to carry out a treatment; the pretreatedaluminum powder pigment, a compatibilizer, and a plastic substrate are uniformly mixed in the high-speed mixer, and are extruded and pelletized to obtain the aluminum powder pigment master batch; finally, according to the requirement of the metal effect, the aluminum powder pigment master batch is added to various corresponding plastic substrates according to a certain ratio; after high-speed mixing, a double screw extrusion process is adopted to prepare the spray-free aesthetic resin with the special metal effect. The phenomenon of aluminum powder pigment shedding from the plastic substrate is easily generated after the aluminum powder pigment is added to the plastic substrate, and is extruded and pelletized. With the present invention, the shedding phenomenon of the aluminum powder pigment can be effectively improved, such that the dispersity of the aluminum powder pigment during the injection molding is improved, the cases of easy agglomeration and accumulation of the aluminum powder pigment are avoided, a technical support is provided for replace of the traditional paint spraying scheme by the green and environmental protection aesthetic resin.

Description

technical field [0001] The invention relates to a method for preparing a resin, in particular to a method for preparing an aesthetic resin for improving the affinity of aluminum powder pigments. Background technique [0002] With the development of society, people have higher and higher requirements on the appearance of products, and special colors with pearlescent and flashing effects are more and more favored by people. The traditional solution for special colors is to use the spraying process, but on the one hand, the spraying process is complicated and the production cost is high; on the other hand, the spraying process is prone to environmental pollution. Therefore, it is currently more popular to directly add metal pigments, mica titanium pearlescent pigments and other special color pigments to high-gloss plastic substrates instead of traditional spraying schemes, and the correspondingly prepared resins can usually be called aesthetic resins. Common plastics that can ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/00C08L55/02C08L69/00C08L33/12C08L23/12C08L25/06C08L51/00C08K9/06C08K3/08C09C1/64C09C3/10C09C3/12C09C3/08
Inventor 周霆周雷刚董建廷李哲王斌辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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