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High-strength wood-plastic composite material with intelligent temperature-indicating effect, and preparation method and application of thereof

A wood-plastic composite material and temperature display technology, which is applied in the field of wood-plastic composite materials, can solve the problems of unretrieved mechanical strength and wear resistance of wood-plastic composite materials, limit practical use, and unretrieved problems, so as to improve the decorative and Practicality, expansion of applicable fields, and the effect of improving functionality

Inactive Publication Date: 2018-11-30
SICHUAN AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In addition, no patents have been retrieved to improve the mechanical strength and wear resistance of wood-plastic composite materials by adding inorganic fibers such as ceramic wool, mineral wool, and glass cloth, nor have any patents been retrieved to beautify the appearance by surface heat transfer technology
Moreover, the existing wood-plastic composite materials still have some shortcomings in terms of intelligence, which limits their practical use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0040] The invention also discloses a method for preparing a high-strength wood-plastic composite material with an intelligent temperature display effect, which includes the following steps:

[0041] 1) Weighing: Weigh the following components in parts by mass: 30-40 parts of plastic, 50-60 parts of plant fiber, 2-8 parts of plasticizer, 0.2-0.4 parts of silane coupling agent, 0.3-1.2 parts of anti-aging agent 1.5-5 parts of temperature-sensitive discoloration agent, 3-15 parts of inorganic fiber;

[0042] 2) Mix the weighed silane coupling agent, absolute ethanol and distilled water, and mix evenly with a thermal magnetic stirrer, wherein the mass ratio of the silane coupling agent, absolute ethanol and distilled water is 8:83:9, stir The rotation speed is 15-25r / min; after the temperature rises to 60°C, stop heating, stir for 10 minutes, and prepare a coupling agent solution after cooling for later use;

[0043] 3) Put the weighed plant fiber into a drying oven with a tempe...

Embodiment 1

[0055] Raw material composition mass fraction of high-strength wood-plastic composite material with intelligent temperature display effect: high-density polyethylene (particle size3 ) 40 parts, bamboo powder 58.5 parts, plasticizer (DOP) 6 parts, silane coupling agent (KH550) 0.2 part, anti-aging agent 0.6 part, red temperature sensitive agent 3 parts, mineral wool 4 parts.

[0056] The product is prepared by the following specific steps:

[0057] (1) Configure the coupling agent solution according to the ratio of aminosilane coupling agent KH-550: absolute ethanol: distilled water = 8:83:9, mix evenly with a hot magnetic stirrer, and after the temperature of the diluent rises to 60 degrees, Turn off the heat, stir for another 10 minutes, and set aside after cooling. During the process, the rotation speed of the thermomagnetic stirrer is about 20r / min.

[0058] (2) Plant fiber (bamboo powder) is dried to constant weight in a drying oven at 85°C, spray the coupling agent solut...

Embodiment 2

[0072] Raw material composition mass fraction of high-strength wood-plastic composite material with intelligent temperature display effect: high-density polyethylene (particle size3 ) 40 parts, bamboo powder 56.5 parts, plasticizer (DOP) 6 parts, silane coupling agent (KH550) 0.2 part, anti-aging agent 0.6 part, blue thermosensitive agent 3.5 parts, mineral wool 4 parts.

[0073] This product can change from colored to colorless at 33°C, and its function is similar to that of the product in Example 1.

[0074] The product is prepared by the following specific steps:

[0075] 1) Weighing: Weigh the following components in parts by mass: 40 parts of high-density polyethylene (particle size <600 μm), 56.5 parts of bamboo powder, 6 parts of plasticizer (DOP), 0.2 part of silane coupling agent (KH550) , 0.6 parts of anti-aging agent, 3.5 parts of blue temperature-sensitive agent, 4 parts of mineral wool;

[0076] 2) Mix the weighed silane coupling agent, absolute ethanol and disti...

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Abstract

The invention discloses a high-strength wood-plastic composite material with an intelligent temperature-indicating effect, and a preparation method and application of thereof. A base material comprises the following raw materials in parts by mass: 30-40 parts of plastic, 50-60 parts of plant fibers, 2-8 parts of a plasticizer, 0.2-0.4 part of a silane coupling agent, 0.3-1.2 parts of an anti-agingagent, 1.5-5 parts of a temperature-sensitive color-changing agent and 3-15 parts of inorganic fibers, and the high-strength wood-plastic composite material with the intelligent temperature-indicating effect is prepared. In addition, the invention provides a novel surface decoration process-surface pyrography treatment of the wood-plastic composite material, so that the surface of a product is provided with various vivid, attractive, waterproof and scrub resistant textures or patterns, and the patterns have an effect of ink and washing paintings. Decoration performance and practicability of the product are well improved.

Description

technical field [0001] The invention belongs to the field of wood-plastic composite materials, and in particular relates to a high-strength wood-plastic composite material with an intelligent temperature display effect and its preparation method and application. Background technique [0002] Wood-plastic composite material is a new type of environmentally friendly material processed by compounding plastic, plant fiber and various additives under specific process conditions. It has low cost, good physical and mechanical properties, small shrinkage and deformation, and no formaldehyde release. , Waterproof, anti-moth, anti-mildew and other engineering features break through the limitations of traditional bamboo applications and realize the efficient, high-quality, multi-functional and high value-added utilization of bamboo. [0003] my country is a country that is not rich in wood resources, and the output is in short supply. The wood-plastic profiles made of plastic and wood ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L23/06C08K5/12C08K5/544C08K7/04C08K13/04
CPCC08L97/02C08L2207/062C08L23/06C08K5/12C08K5/544C08K7/04C08K13/04
Inventor 宁莉萍冯泽旭陈颐萱李嘉成逯新辉何莉张琪周建秋邢慧子韦芷婷王彩云李杰王敏
Owner SICHUAN AGRI UNIV
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