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Organosilicon handfeel oil primer for surface of aluminum product

A silicon-feeling, organic technology, applied in the direction of coating, etc., can solve the problems that do not conform to the development of light and thin electronic products, consume production equipment, manpower, time, reduce product profits, etc. effect of influence

Active Publication Date: 2017-01-04
SUZHOU BETELY POLYMER MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the inherent mold release properties of silicone rubber, it is difficult to form good adhesion to aluminum materials, etc.
[0004] In order to improve the bonding force between the silicone hand oil and the surface of the aluminum material, the existing process is to first polish the aluminum material, blow off the surface with an air gun, and then spray the surface treatment agent. After drying, it is molded with silicone rubber. Then spray silicone oil on the surface of the silicone rubber; the procedure is complicated, the operating conditions are harsh, the efficiency is low, the cost is high, and production equipment, manpower, and time are required, which greatly reduces the product profit, and because of the existence of molded silicone rubber, Increased product thickness has a great impact on the performance of electronic equipment, especially heat dissipation, which is not in line with the development of thin and light electronic products

Method used

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  • Organosilicon handfeel oil primer for surface of aluminum product
  • Organosilicon handfeel oil primer for surface of aluminum product
  • Organosilicon handfeel oil primer for surface of aluminum product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] In parts by weight, first set the viscosity (25°C) to 300mm 2 / s, 1.6% hydrogen content, 8 parts of methyl-terminated polymethylhydrogensiloxane (Klamar) and 10 parts of vinyltrimethoxysilane, mix well, stir evenly, and then add 65 parts of heptane Solvent, dropwise add 0.75 parts of chloroplatinic acid with a platinum content of 1500ppm, stir evenly, and obtain a viscosity (25°C) of 7mm 2 / s transparent fluid (Iwata 2# cup), used as primer for aluminum surface.

Embodiment 2

[0041] In parts by weight, first set the viscosity (25°C) to 300mm 2 / s, 8 parts of silicone resin (Dyson) with hydrogen content of 1.5%, branched chain hydroxyl group and 10 parts of acrylic silane coupling agent, mix well, stir evenly, then add 70 parts of heptane solvent, drop platinum 0.5 parts of chloroplatinic acid with a content of 1500ppm, stirred evenly to obtain a viscosity (25°C) of 7mm 2 / s transparent fluid, primer for aluminum surface.

Embodiment 3

[0043] In parts by weight, first set the viscosity (25°C) to 300mm 2 / s, hydrogen content is 1.9%, 10 parts of methyl-terminated polymethylhydrogensiloxane and 12 parts of vinyl trimethoxysilane, mix well, stir evenly, then add 75 parts of heptane solvent, drop platinum 0.75 parts of chloroplatinic acid with a content of 1500ppm, stirred evenly to obtain a viscosity (25°C) of 7mm 2 / s transparent fluid, primer for aluminum surface.

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Abstract

The invention discloses an organosilicon handfeel oil primer for the surface of an aluminum product. The organosilicon handfeel oil primer is prepared by uniformly mixing silicone resin with a cross-linking agent, then adding a diluent, adding a catalyst drop by drop and carrying out uniform mixing. The organosilicon handfeel oil primer for the surface of the aluminum product has good mechanical properties, flame retardation, heat resistance, solvent resistance, good adhesion to a substrate and small pollution to environment; when the primer is sprayed on the surface of the aluminum product, organosilicon handfeel oil can be directly sprayed after the surface is dried; after curing, good adhesion between the handfeel oil and the aluminum product is realized; and the primer provided by the invention does not influence the handfeel of the organosilicon handfeel oil.

Description

technical field [0001] The invention relates to the field of primers, in particular to a silicone feel oil primer used on the surface of aluminum materials, which can effectively increase the bonding force between the silicone feel oil and aluminum materials. Background technique [0002] With the continuous improvement of market demand, some high-end notebooks or mice are no longer satisfied with the existing quality, and the pursuit of the ultimate smooth feel and dirt resistance has become a new selling point. Dirt resistance performance is unsatisfactory. [0003] Because silicone hand oil has excellent smooth feel and dirt resistance, more and more manufacturers hope to spray hand oil on the surface of their products for decoration and protection, such as metal notebook casings. However, due to the inherent mold release properties of silicone rubber, it is difficult to form good adhesion to aluminum materials. [0004] In order to improve the bonding force between the...

Claims

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Application Information

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IPC IPC(8): C09D183/07C09D183/05C09D183/06C09D7/12
Inventor 宋建国王全汪小峰
Owner SUZHOU BETELY POLYMER MATERIALS CO LTD
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