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PC alloy material and preparation method thereof

A kind of alloy material and mixed system technology, applied in the field of resin alloy, can solve the problems of not making full use of the superior performance of inorganic materials, poor processing fluidity, and limited improvement of overall performance, and achieve the effect of insulation and thermoelectric stable electrical performance

Active Publication Date: 2017-08-18
东莞市亚仑塑料原料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But it also has some disadvantages, such as poor processing fluidity, easy to stress cracking, sensitive to notch, easy to absorb water and poor wear resistance, etc. In the actual use process, alloy material components need to be added to improve its performance.
[0003] The PC alloy material in the prior art refers to a non-metallic alloy material obtained by mixing other materials with PC resin as the main material and mixing at high temperature. Different materials can be added to the PC resin to obtain different properties. The existing Although PC / ABS alloy materials, PC / PMMA alloy materials, etc. have appeared in the technology, these PC alloy materials in the prior art have not fully utilized the superior properties of inorganic materials, and the improvement of their overall performance is very limited, which is to a certain extent Limits the application of this PC alloy material in some fields

Method used

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  • PC alloy material and preparation method thereof
  • PC alloy material and preparation method thereof
  • PC alloy material and preparation method thereof

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preparation example Construction

[0071] Provide the preparation method of high-strength PC alloy material of the present invention below, specifically comprise the following steps:

[0072] (1), prepare each raw material according to above-mentioned composition;

[0073] (2), weigh the dried aluminum-coated modified magnesium oxide powder, surface-modified alumina powder and rutile titanium dioxide according to the above weight ratio, and mix them uniformly to obtain a powder mixture;

[0074](3), weigh the PC resin of the above weight portion, and add it into the high-speed mixer together with the powder mixture obtained in step (2), and add the modified compound weighed according to the weight ratio together. Graphene, composite flame retardant, composite toughening agent, compatibilizer, silane coupling agent, antioxidant, anti-dripping agent and ultraviolet light absorber, so that all substances are stirred together for 120 to 160 minutes for premixing Finally, each material is sent to the feeding port o...

Embodiment 1

[0077] Weigh each substance according to the following parts by weight and mix according to the above method to obtain the PC alloy material, wherein

[0078]

[0079] Wherein more than 90 mol% of the PC resin is the above-mentioned structural units (I) and (II), and the content ratio of the structural unit (II) is 65 mol% relative to the total amount of the structural unit (I) and the structural unit (II).

[0080] Wherein, more than 90% of the magnesium oxide powder in the aluminum-coated modified magnesium oxide powder has a particle size of 25-35 microns, and the thickness of the aluminum coating layer is between 1-5 nm.

[0081] The surface-modified alumina powder is alumina powder whose surface is modified by silane, and the particle diameter of more than 90% of the alumina powder is between 60-80nm.

[0082] The modified graphene is silanized modified graphene, and the number of graphene layers is between 1 and 30 layers.

[0083] The particle size of rutile titaniu...

Embodiment 2

[0088] Weigh each substance according to the following parts by weight and mix according to the above method to obtain the PC alloy material, wherein

[0089]

[0090] Wherein more than 90 mol% of the PC resin is the above-mentioned structural units (I) and (II), and the content ratio of the structural unit (II) is 75 mol% relative to the total amount of the structural unit (I) and the structural unit (II).

[0091] Wherein, more than 90% of the magnesium oxide powder in the aluminum-coated modified magnesium oxide powder has a particle size of 25-35 microns, and the thickness of the aluminum coating layer is between 3-8 nm.

[0092] The surface-modified alumina powder is alumina powder coated with ammonium pyrrolidine dithiocarbamate on the surface, and more than 90% of the alumina powder has a particle size between 60-80nm.

[0093] Wherein the modified graphene is silanized modified graphene, and the number of graphene layers is between 1-15 layers.

[0094] The particl...

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Abstract

The invention provides a PC alloy material and a preparation method thereof. The PC alloy material is prepared by mixing the following components in parts by weight: 100 parts of PC resin, 18-25 parts of aluminium coated modified magnesium oxide powder, 12-16 parts of surface modified aluminum oxide powder, 5-8 parts of rutile type titanium dioxide, 6-12 parts of modified graphene, 3-8 parts of a composite toughing agent, 3-6 parts of a composite flame-retardant agent, 8-20 parts of a compatilizer, 1.5-2.5 parts of a silane coupling agent, 0.5-1.5 parts of an oxidation inhibitor, 0.5-1.2 parts of an anti-dripping agent and 1.5-2 parts of an ultraviolet absorber. According to the PC alloy material, the PC resin and the various kinds of powder are fused; the powder is modified so that the powder can be fused in the PC resin fused body well; and the composite flame-retardant agent and the composite toughing agent are innovated, so that the prepared PC alloy material has good mechanical property, thermal property, optical property and electrical property, belongs to a brand-new PC alloy material, and has wide market popularization and application prospects.

Description

technical field [0001] The invention relates to the technical field of resin alloys, in particular to a high-performance PC alloy material and a preparation method thereof. Background technique [0002] PC (polycarbonate) resin is an engineering material with superior comprehensive performance, and it is also the fastest-growing general-purpose engineering plastic in recent years. It has excellent impact toughness, weather resistance, and electrical insulation. It is currently widely used in automobiles, Electronics, construction, equipment and other fields. However, it also has some disadvantages, such as poor processing fluidity, easy stress cracking, sensitivity to notches, easy water absorption, and poor wear resistance. In actual use, it is necessary to add alloy material components to it to improve its performance. [0003] The PC alloy material in the prior art refers to a non-metallic alloy material obtained by mixing other materials with PC resin as the main materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L75/04C08L51/06C08K13/06C08K9/10C08K3/22C08K9/06C08K3/04C08K5/523C08K5/544
CPCC08K2003/222C08K2003/2227C08K2003/2241C08K2201/003C08L69/00C08L2201/02C08L2201/08C08L2205/02C08L2205/025C08L2205/035C08L2205/08C08L75/04C08L51/06C08K13/06C08K9/10C08K3/22C08K9/06C08K3/04C08K5/523C08K5/544
Inventor 卢文彪
Owner 东莞市亚仑塑料原料有限公司
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