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Wear-resistant and scratch-resistant polypropylene composite with high gloss as well as preparation method and application of polypropylene composite

A composite material and polypropylene technology, which is applied in the field of high-gloss, wear-resistant, scratch-resistant polypropylene composite materials and their preparation to achieve the effect of good compatibility

Active Publication Date: 2019-06-21
WANHUA CHEM GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The above-mentioned patents fail to solve the wear-resistant and scratch-resistant problem of polypropylene, especially the wear-resistant and scratch-resistant problem of high-gloss polypropylene. It is necessary to develop new products and supporting processing techniques to make up for the shortcomings of the existing technology

Method used

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  • Wear-resistant and scratch-resistant polypropylene composite with high gloss as well as preparation method and application of polypropylene composite
  • Wear-resistant and scratch-resistant polypropylene composite with high gloss as well as preparation method and application of polypropylene composite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] The main components and dosage are as follows:

[0051] S1, polypropylene HM671T 65.889kg;

[0052] S2, silicone rubber-silane coupling agent-hollow glass microsphere reactant 10kg;

[0053] S3, talcum powder 20kg;

[0054] S4, calcium stearate 0.1kg; DTBP 0.001kg; antioxidant 1010 2kg; NA11 2kg.

[0055] Wherein, the silicone rubber-silane coupling agent-hollow glass microsphere reactant is prepared by the following components:

[0056] S2-1. Hollow glass microspheres, with an average diameter of 10 μm, and a dosage of 8.33 kg;

[0057] S2-2, the molecular weight of hydroxyl-terminated silicone rubber is 10,000, and the dosage of hydroxyl-terminated silicone rubber is 1.59kg (the corresponding dosage of silicone rubber-silane coupling agent reactant is 20% of the mass of hollow glass microspheres);

[0058] S2-3, silane coupling agent ALINK-25, the amount of silane coupling agent is 80g (corresponding to 5% of the mass of hydroxyl-terminated silicone rubber);

[0...

Embodiment 2

[0068] The main components and dosage are as follows:

[0069] S1, polypropylene T30S 63.29kg;

[0070] S2, silicone rubber-silane coupling agent-hollow glass microsphere reactant 20kg;

[0071] S3, calcium carbonate 15kg;

[0072] S4, paraffin oil 0.01kg; DCP 0.2kg; antioxidant 1010 0.5kg, 626 0.5kg; NA21 0.5kg;

[0073] Wherein, the silicone rubber-silane coupling agent-hollow glass microsphere reactant is prepared by the following components:

[0074] S2-1. Hollow glass microspheres, with an average diameter of 50 μm, and a dosage of 15.38 kg;

[0075] S2-2, the molecular weight of hydroxyl-terminated silicone rubber is 15,000, and the dosage of hydroxyl-terminated silicone rubber is 4.48kg (the dosage of silicone rubber-silane coupling agent reactant is 30% of the mass of hollow glass microspheres);

[0076] S2-3, silane coupling agent ALINK-35, the amount of silane coupling agent is 0.14kg (corresponding to 3% of the mass of hydroxyl-terminated silicone rubber);

[0...

Embodiment 3

[0086] The main components and dosage are as follows:

[0087] S1, polypropylene BJ750 69.04kg;

[0088] S2, silicone rubber-silane coupling agent-hollow glass microsphere reactant 5kg;

[0089] S3, barium sulfate 25kg;

[0090] S4, magnesium stearate 0.5kg; odorless DCP 0.05kg; antioxidant 1076 0.2kg, 168 0.2kg; NA110.01kg;

[0091] Wherein, the silicone rubber-silane coupling agent-hollow glass microsphere reactant is prepared by the following components:

[0092] S2-1. Hollow glass microspheres, with an average diameter of 100 μm, and a dosage of 4.348 kg;

[0093] S2-2, the molecular weight of the hydroxyl-terminated silicone rubber is 120,000, and the dosage of the hydroxyl-terminated silicone rubber is 0.649 kg (the corresponding dosage of the silicone rubber-silane coupling agent reactant is 15% of the mass of the hollow glass microspheres);

[0094] S2-3, silane coupling agent KH560, the amount of silane coupling agent is 3g (corresponding to 0.5% of the mass of hy...

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Abstract

The invention relates to a wear-resistant and scratch-resistant polypropylene composite with high gloss as well as a preparation method and an application of the polypropylene composite. The polypropylene composite comprises the following main raw materials: polypropylene, a silicone rubber-silane coupling agent-hollow glass bead reactant, filler and an additive packet. In the prepared wear-resistant and scratch-resistant polypropylene composite with high gloss, molecular weight distribution of polypropylene is narrow, hollow glass beads and silicone rubber are mainly distributed on the material surface, a workpiece has high surface gloss, good processability and low shrinkage, and an injection molded workpiece is not prone to production of flow marks and can replace workpieces such as ABSwith higher requirements for gloss, wear resistance and scratch resistance of home appliance housings, automobile trim strips, automobile door handles and the like.

Description

technical field [0001] The invention belongs to the field of polymer materials and processing, and in particular relates to a high-gloss, wear-resistant and scratch-resistant polypropylene composite material and its preparation method and application. Background technique [0002] As one of the general-purpose plastics, polypropylene (PP) has the advantages of non-toxicity, low price, low relative density, chemical resistance, high strength, and easy recycling. It is widely used in household appliances, auto parts, and daily necessities. [0003] High-gloss polypropylene, as a material with high gloss, can replace ABS and is widely used in home appliance casings, daily necessities casings, automotive trims, etc. However, compared with ABS, polypropylene has poor wear resistance and scratch resistance, especially Poor abrasion resistance will make the glossiness of polypropylene materials decrease continuously during use, which greatly limits the application fields of polypro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/14C08L91/06C08K13/06C08K9/06C08K9/04C08K7/28C08K5/098C08K3/34C08K3/26C08K5/134
Inventor 花月庆陈连清王绍杰李旭苗春萌颜晓捷
Owner WANHUA CHEM GRP CO LTD
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