Imitation wood grain color master batch, preparation method, and applications thereof

A technology of imitating wood grain and color masterbatch, which is applied in the field of imitating wood grain color masterbatch and its preparation method and in imitating wood grain wood-plastic composite materials, which can solve the problems of uneven dispersion and poor high temperature resistance , to achieve excellent dispersion performance, good effect of imitating wood grain and good compatibility

Active Publication Date: 2014-01-08
KINGFA SCI & TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Patent CN101885885 uses styrene-butadiene-acrylonitrile copolymer (ABS), polystyrene (PS), styrene-butadiene copolymer (K ​​glue), acrylonitrile-styrene copolymer (AS), Styrene-ethylene-butylene-styrene copolymer (SEBS) was used as the carrier of the masterbatch to prepare a color masterbatch for rigid PVC, but according to the wood grain formation mechanism and effect of the imitation wood grain profile, the color masterbatch It is not suitable for imitation wood grain masterbatch, and its high temperature resistance is poor and its dispersion is uneven

Method used

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  • Imitation wood grain color master batch, preparation method, and applications thereof
  • Imitation wood grain color master batch, preparation method, and applications thereof
  • Imitation wood grain color master batch, preparation method, and applications thereof

Examples

Experimental program
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Effect test

Embodiment 1~7 and comparative example 1~3

[0038] Examples 1~7 and Comparative Examples 1~3: Preparation of imitation wood grain masterbatch

[0039] Under normal temperature and pressure, the carrier resin, pigment, dispersant and / or other additives in Examples 1-7 and Comparative Examples 1-3 were mixed at high speed for 600s in a high-speed mixer, and a twin-screw extruder was used after mixing the materials Carry out melt blending, the temperature control range of the temperature zone of the extruder is 120~250°C, the screw speed is 400r / min, the pigment is uniformly dispersed in the carrier resin through the shearing and mixing of the screw, and the water cooling (water cooling temperature 30°C), pelletizing (the appearance of the masterbatch is cylindrical), and air-drying to obtain the imitation wood grain masterbatch of the present invention.

[0040] The pigment red in the examples and comparative examples is selected as one or more mixtures of iron oxide red 101, iron oxide red 110, iron oxide red 130, iron ...

Embodiment 8~14 and comparative example 4~8

[0045] Examples 8-14 and Comparative Examples 4-8: Preparation of imitation wood-grain wood-plastic composite material:

[0046] Mix the imitation wood-grain masterbatch obtained in Examples 1~7 and Comparative Examples 1~3 at 120~190°C with PVC-based base material according to the weight ratio in Table 2, and then extrude in a single-screw extruder (Screw speed is 15.6r / min), vacuum water cooling and shaping, traction, cutting to obtain imitation wood-grain wood-plastic composite materials, samples are prepared to test its performance, and the measured results are shown in Table 2:

[0047] The PVC-based base material described in the embodiments of the present invention can be prepared according to conventional methods, such as in patent 102336989A: add 30 parts of wood powder weighed into a high-speed mixer, and bake at 110-120 ° C for 8-10 Minutes, then add 1.0 parts of coupling agent to activate the wood powder for 5 minutes, put it into the cold mix and cool to room te...

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Abstract

The invention discloses an imitation wood grain color master batch, which comprises the following components in percentage by weight: 60 to 95% of carrier resin, 1 to 20% of pigment, 1 to 15% of dispersant, and 0 to 5% of other auxiliary agents; wherein the carrier resin is a mixture of PC and ABS, the PC accounts for 0 to 80% of the total weight of the carrier resin, and the ABS accounts for 20 to 100% of the total weight of the carrier resin. The preparation method comprises the following steps: (a) adding the components according to the ratios mentioned above into a high-speed mixer, and evenly mixing the components at the normal temperature and under the normal pressure; (b) melting, mixing and extruding the mixed materials mentioned above in a double-screw extruder, and at the same time subjecting the extruded materials to processes of water cooling, cutting, and wind drying so as to obtain the imitation wood grain color master batch. The imitation wood grain color master batch has the advantages of little color powder usage amount, good temperature toleration ability, and excellent dispersing ability; is easy to operate and control when the color master batch is applied to prepare imitation wood grain composite material of wood and plastic; has a good compatibility with PVC base basic materials and a high imitation wood appearance, thus the formed grains are natural and clear, the surface color is bright and beautiful, and the imitation wood grain effect is good.

Description

Technical field [0001] The invention involves the field of coloring of imitation wood grain differential materials, which specifically involves an imitation wood grain female granules and their preparation methods and applications in imitation wooden plastic composite materials. Background technique [0002] As a new type of environmentally friendly material, wooden plastic composite materials have attracted widespread interest in their light, good touch, anti -corrosion, moisture -proof, insect -proof, flame retardant and other advantages.In order to make it better imitation wood and decorative, improve the quality of wood plastic composite materials, squeeze out the imitation wood composite material with wood grain shape to maximize the psychological needs of people's pursuit of natural wood, which has become the current.Hot spots for research at home and abroad.PVC base imitation wood grain composite wood has the characteristics of wood nailing, sawing, and planing. It can rep...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L69/00C08L27/06C08L77/00C08L23/12C08L23/06C08L23/08C08L67/02C08K13/02C08K5/098C08K5/01C08K3/00C08K5/00C08J3/22B29C47/92B29C48/40B29C48/92
CPCB29C48/92B29C48/04B29C48/40B29C48/911
Inventor 熊少燕刘建中冯玉林陈大华宋威张凡梁杰栋肖彦
Owner KINGFA SCI & TECH CO LTD
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