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Metal spraying-free liquid color master batch, preparation method and application thereof

A spray-free and metal-free technology, applied in the field of plastic coloring, can solve the problems of material degradation, reduction of metal luster on the surface of plastic parts, damage to gloss and texture, etc., and achieve simple production process, excellent pigment dispersion effect, and maintain the effect of gloss and texture

Inactive Publication Date: 2020-04-07
广东波斯科技股份有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, the current mainstream spray-free metal effect coloring technology still has shortcomings: First, because metal pigments such as metal flakes, pearl powder or mica powder are in the form of flakes, flow marks or weld marks are easily produced during injection molding or extrusion production
The second is that the current main production method of spray-free metal plastic particles or masterbatches is to extrude and cut pellets through an extruder. The processing process requires high temperature and strong shear force, so the surface of the metal pigment is prone to oxidation, and its gloss and texture If damaged, the metal luster on the surface of plastic parts will decrease; secondly, metal pigments will easily act as catalysts under high temperature conditions, causing material degradation and causing yellowing and other undesirable phenomena.

Method used

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  • Metal spraying-free liquid color master batch, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036]In parts by weight, weigh 1 part of BYK-111, 0.5 part of antioxidant 168, 0.5 part of fumed silica, 5 parts of polyisobutylene PB2000, 3 parts of pigment blue, 60 parts of acrylic liquid polymer and add it to the high-speed sand In the mill, the rotation speed is 2000r / min, and the grinding and dispersion is 30 minutes; after the grinding is completed, transfer to the high-speed disperser, and then add 30 parts of aluminum silver powder (particle size 25-50 microns) for mixing and dispersion, the rotation speed is 800r / min, and the dispersion is 20 minutes. Get metal spray-free liquid color masterbatch. Finally, the obtained metal spray-free liquid color masterbatch was added into polypropylene (PP) at a ratio of 2%, and the injection molding temperature was 200° C. to obtain a spray-free metal effect plastic model.

Embodiment 2

[0038] In parts by weight, weigh 0.5 part of Lubrizol 20000, 0.5 part of antioxidant 1010, 0.5 part of fumed silica, 8 parts of polyisobutylene PB2000, 0.5 part of pigment orange, 60 parts of dioctyl terephthalate ( DOTP) was added to a high-speed sand mill at a speed of 1500r / min, and ground and dispersed for 30 minutes; after grinding, it was transferred to a high-speed disperser, and 30 parts of aluminum silver powder (particle size 25-50 microns) was added to mix and disperse at a speed of 800r / min. min, disperse for 20 minutes to obtain metal spray-free liquid color masterbatch. Finally, the obtained metal spray-free liquid color masterbatch was added into polypropylene (PP) at a ratio of 2%, and the injection molding temperature was 200° C. to obtain a spray-free metal effect plastic model.

Embodiment 3

[0040] In parts by weight, weigh 0.5 part of Lubrizol 20000, 0.5 part of antioxidant 1010, 0.5 part of fumed silica, 8 parts of polyisobutylene PB1400, 0.5 part of pigment orange, 70 parts of tricresyl phosphate (TCP) and add Put it into a high-speed sand mill at a speed of 1500r / min, grind and disperse for 30 minutes. After grinding, transfer to a high-speed disperser, then add 20 parts of aluminum silver powder (particle size 40-60 microns) for mixing and dispersing at a speed of 600r / min, and disperse for 20 minutes to obtain a metal spray-free liquid masterbatch. Finally, the obtained metal spray-free liquid color masterbatch was added into polystyrene (PS) at a ratio of 2%, and the injection molding temperature was 200° C. to obtain a spray-free metal effect plastic model.

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Abstract

Belonging to the field of plastic coloring, the invention discloses a metal spraying-free liquid color master batch, a preparation method and application thereof. The metal spraying-free liquid colormaster batch comprises the following components by weight: 5-40 parts of a metal pigment, 50-80 parts of a liquid carrier, 0.1-20 parts of an assistant and 0.1-15 parts of other pigments, wherein theparticle size of the metal pigment is 10-100 microns; the flash point of the metal spraying-free liquid color master batch is greater than or equal to 200DEG C, and the weight content of volatile components is measured to be less than or equal to 0.5% after the metal spraying-free liquid color master batch is retained at 120DEG C for 5min. According to the invention, a plasticizer, a liquid oligomer, vegetable oil, mineral oil and the like are used as the liquid carrier, metal powder, pearlescent pigment or mica powder and the like are loaded through high-speed dispersion to prepare the metalspraying-free liquid color master batch, and the metal spraying-free liquid color master batch is added into plastic to endow a plastic product with a spraying-free metal appearance effect through injection molding, extrusion or blow molding processing.

Description

technical field [0001] The invention belongs to the field of plastic coloring, in particular to a metal spray-free liquid color masterbatch and its preparation method and application. Background technique [0002] In the field of plastic processing, the use of spray-free metal effect coloring technology can not only save the process of painting or electroplating, but also help reduce production costs and environmental protection, and this process can also achieve a variety of imitation metal effects on plastic products, which has huge potential Market potential. However, the current mainstream spray-free metal effect coloring technology still has shortcomings: First, because metal pigments such as metal flakes, pearl powder or mica powder are in the form of flakes, flow marks or weld marks are easily produced during injection molding or extrusion production . Weld marks and flow marks are technical problems in the application of spray-free materials. The current solution i...

Claims

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Application Information

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IPC IPC(8): C08L33/04C08K13/04C08K3/08C08K7/26C08K5/12C08K5/523C08J3/22C08L23/12C08L25/06C08L55/02C08L69/00
CPCC08J3/226C08J2323/12C08J2325/06C08J2355/02C08J2369/00C08J2433/04C08K2003/0812C08K2201/003
Inventor 许卫民雷周桥刘鹏阮文红黎泽顺
Owner 广东波斯科技股份有限公司
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