CN105062113A - High-temperature-resistant wood-plastic composite material and preparation method thereof - Google Patents
High-temperature-resistant wood-plastic composite material and preparation method thereof Download PDFInfo
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- CN105062113A CN105062113A CN201510495395.1A CN201510495395A CN105062113A CN 105062113 A CN105062113 A CN 105062113A CN 201510495395 A CN201510495395 A CN 201510495395A CN 105062113 A CN105062113 A CN 105062113A
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Abstract
The invention discloses a high-temperature-resistant wood-plastic composite material and a preparation method thereof. The high-temperature-resistant wood-plastic composite material comprises components in parts by weight as follows: 80-120 parts of mulberry twigs, 50-70 parts of waste plastic, 20-35 parts of modified phenolic resin, 10-15 parts of silicone rubber, 3-5 parts of glass fibers, 5-8 parts of sepiolite fibers, 4-7 parts of maleic anhydride, 3-6 parts of nanometer aluminum oxide, 3-6 parts of a zinc borate flame-retardant, 5-7 parts of a 5571 light stabilizer and 4-6 parts of a butyl hydroxyanisole antioxidant. The preparation method comprises technological steps of modifying pretreatment, high-speed mixing, hot-press molding and cooling setting. The waste plastic, the modified phenolic resin and the silicone rubber are used as main raw materials, the cost is reduced, and the problem of environmental pollution caused by waste is solved. The obtained wood-plastic composite material has the advantages that the material is good in stability at high temperatures, high in compressive strength and high in abrasion resistance and does not deform easily, the cost is reduced, and the like; the wood-plastic composite material also has the advantages that the processing technology is simple, the processing time is short, the cost is low and the like, and is applicable to industrial production.
Description
Technical field
The present invention relates to chemical material technical field, especially a kind of high temperature resistant wood plastic composite and preparation method thereof.
Background technology
The reserves of Nonrenewable resources existing on the earth are very limited, and along with the fast development of plastics industry, " white pollution " that caused by plastics brings great harm to the production of the mankind and living environment.In order to solve, there is lack of raw materials and environmental problem, and people transfer to eye on tellurian renewable resources gradually.Sponge is a kind of natural macromolecular material, is a kind of inexhaustible, nexhaustible resource.The potential advantages that vegetable fibre is used for matrix material more and more attract much attention, and it is cheap, and density is little, has higher Young's modulus, close with inorganic fibre, and its biological degradability and recyclability are the most outstanding advantages.
Wood plastic composite vegetable fibre and plastics is carried out the class matrix material that blending extrusion obtains, wood plastic composite have close higher than performance, cheap, can solve because waste or used plastics cannot reclaim problem to environment, and the wood plastic composite of the advantage such as fiber waste resource is fully used.Current wood plastic composite has been applied to the fields such as floor, wallboard, building template.The wood plastic composite of China's research mainly utilizes xylon and thermosetting resin to carry out blended matrix material, but along with urbanization and industrialized development, the forest reserves of the mankind are fewer and feweri, timber resources is more and more precious, in order to adapt to the requirement of environmental protection, occur that some utilize waste fiber such as the waste fibers such as stalk, straw, corn stalk to prepare wood plastic composite in the last few years.Due to thermoplastics and vegetable fibre poor compatibility, interfacial interaction power is weak, thus cause its mechanical strength relatively low, be at high temperature easily out of shape, easy aging, the shortcoming such as cost is high, work-ing life is short.
Mulberry tree has a large amount of cultivated areas in China, and be mainly distributed in the ground such as Guangxi, Guangdong, Sichuan, Yunnan, wherein maximum in the plantation amount in Guangxi, present people mainly breed silkworms with mulberry leaf, but remaining ramulus mori is mainly in spacious local burning, pollutes environment.The present invention will with ramulus mori and waste plastic for main raw material prepares wood plastic composite, be that Raw material processing becomes wood plastic composite with ramulus mori, solid waste is turned waste into wealth. the effective way of increasing farmers' income, can alleviate the over-exploitation of the forest reserves, be the comprehensive utilization developing new approaches of silkworm and mulberry byproduct.
Summary of the invention
The present invention by the wasting of resources Problems existing for current wood plastic composite and current ramulus mori, provide a kind of with ramulus mori, waste plastic, modified phenolic resins and silicon rubber for main raw material, prepare wood plastic composite that is high temperature resistant, high strength.The present invention not only achieves the comprehensive utilization of resources of ramulus mori and waste plastic, also reduce problem of environmental pollution, the wood plastic composite prepared is high temperature resistant, thermostability is strong, ultimate compression strength is high, cost also reduces, and also can extend the work-ing life of wood plastic composite simultaneously.
In order to realize above object, the present invention is achieved through the following technical solutions:
A kind of high temperature resistant wood plastic composite, comprises the raw material of following parts by weight:
Ramulus mori 80-120 part, waste plastic 50-70 part, modified phenolic resins 20-35 part, silicon rubber 10-15 part, glass fibre 3-5 part, sepiolite fibre 5-8 part, maleic anhydride 4-7 part, nano aluminium oxide 3-6 part, zinc borate flame retardant 3-6 part, 5571 photostabilizer 5-7 parts and butylated hydroxy anisole antioxidant 4-6 part.
The particle diameter of the above ramulus mori is 40-60 order, water content is 10-12%.
A preparation method for high temperature resistant wood plastic composite, comprises the following steps:
(1) modification pre-treatment: 80-120 part ramulus mori, 4-7 part maleic anhydride and 3-6 part nano aluminium oxide are added ball mill, stirs 15-20min under rotating speed is 100-150r/min, obtains modified fibre;
(2) high speed batch mixing: above-mentioned modified fibre and each component raw material of residue are added high-speed mixer, are 100-300 at rotating speed
Stir 5-8min under r/min, obtain mixture;
(3) hot-forming: mixture is added thermo-pressing moulder, temperature be 220-240 DEG C, pressure be 6-8Mpa under thermocompression forming 50-80S, shaping wood plastic composite can be obtained;
(4) cooling and shaping: shaping wood plastic composite naturally cools to room temperature, can obtain wood plastic composite.
Compared with prior art, advantage of the present invention and positively effect are:
(1) the present invention with ramulus mori and waste plastic for main raw material, not only solid waste is turned waste into wealth, the effective way of increasing farmers' income, the over-exploitation of the forest reserves can be alleviated, for the comprehensive utilization developing new approaches of silkworm and mulberry byproduct, also reduce the problem of environmental pollution burning ramulus mori, ramulus mori raw material sources are extensive, cheap.Use waste plastic both can reduce costs as raw material, solve again " white pollution " problem that waste plastic brings.
(2) the present invention by waste plastic, modified phenolic resins and silicon rubber with the use of, low and the modified phenolic resins of waste plastic cohesiveness can be overcome and be used alone the high problem of cost, silicon rubber has significant high-temperature stability feature, makes wood plastic composite at high temperature not yielding.
(3) utilize calcium maleate and nano aluminium oxide to carry out modification pre-treatment to ramulus mori fiber, enhance the consistency of thermoplastics and vegetable fibre, interfacial interaction power is strengthened, improves the mechanical property of wood plastic composite.Nano aluminium oxide also improves wear resistance and the high-temperature behavior of wood plastic composite.
(4) add glass fibre and sepiolite fibre, not only increase the intensity of wood plastic composite, also make wood plastics composite have good thermotolerance, wear resistance, at high temperature not flexible type and oxygenolysis, simultaneously wear-resisting not fragile.
(5) the present invention also has that complete processing is simple, process period is short, low cost and other advantages, is applicable to suitability for industrialized production.
Embodiment
Below in conjunction with embodiment, the present invention is further described, but be not limited to protection scope of the present invention.
embodiment 1
A kind of high temperature resistant wood plastic composite, is made up of the raw material of following weight: ramulus mori 80kg, waste plastic 50kg, modified phenolic resins 20kg, silicon rubber 12kg, glass fibre 3kg, sepiolite fibre 5kg, maleic anhydride 4kg, nano aluminium oxide 3kg, zinc borate flame retardant 4kg, 5571 photostabilizer 5kg and butylated hydroxy anisole antioxidant 4kg.
Preparation method:
(1) modification pre-treatment: 80kg ramulus mori, 4kg maleic anhydride and 3kg nano aluminium oxide are added ball mill, stirs 20min under rotating speed is 100r/min, obtains modified fibre;
(2) high speed batch mixing: above-mentioned modified fibre and each component raw material of residue are added high-speed mixer, are 100 at rotating speed
Stir 8min under r/min, obtain mixture;
(3) hot-forming: mixture is added thermo-pressing moulder, temperature be 220 DEG C, pressure be 8Mpa under thermocompression forming 50S, shaping wood plastic composite can be obtained;
(4) cooling and shaping: shaping wood plastic composite naturally cools to room temperature, can obtain wood plastic composite.
embodiment 2
A kind of high temperature resistant wood plastic composite, is made up of the raw material of following weight: ramulus mori 100kg, waste plastic 60kg, modified phenolic resins 25kg, silicon rubber 10kg, glass fibre 4kg, sepiolite fibre 7kg, maleic anhydride 6kg, nano aluminium oxide 5kg, zinc borate flame retardant 5kg, 5571 photostabilizer 6kg and butylated hydroxy anisole antioxidant 5kg.
Preparation method:
(1) modification pre-treatment: 100kg ramulus mori, 6kg maleic anhydride and 5kg nano aluminium oxide are added ball mill, stirs 15min under rotating speed is 120r/min, obtains modified fibre;
(2) high speed batch mixing: above-mentioned modified fibre and each component raw material of residue are added high-speed mixer, are 200 at rotating speed
Stir 6min under r/min, obtain mixture;
(3) hot-forming: mixture is added thermo-pressing moulder, temperature be 230 DEG C, pressure be 6Mpa under thermocompression forming 70S, shaping wood plastic composite can be obtained;
(4) cooling and shaping: shaping wood plastic composite naturally cools to room temperature, can obtain wood plastic composite.
embodiment 3
A kind of high temperature resistant wood plastic composite, is made up of the raw material of following weight: ramulus mori 120kg, waste plastic 70kg, modified phenolic resins 30kg, silicon rubber 15kg, glass fibre 5kg, sepiolite fibre 8kg, maleic anhydride 7kg, nano aluminium oxide 6kg, zinc borate flame retardant 6kg, 5571 photostabilizer 7kg and butylated hydroxy anisole antioxidant 6kg.
Preparation method:
(1) modification pre-treatment: 120kg ramulus mori, 7kg maleic anhydride and 6kg nano aluminium oxide are added ball mill, stirs 15min under rotating speed is 150r/min, obtains modified fibre;
(2) high speed batch mixing: above-mentioned modified fibre and each component raw material of residue are added high-speed mixer, are 300 at rotating speed
Stir 5min under r/min, obtain mixture;
(3) hot-forming: mixture is added thermo-pressing moulder, temperature be 240 DEG C, pressure be 6Mpa under thermocompression forming 60S, shaping wood plastic composite can be obtained;
(4) cooling and shaping: shaping wood plastic composite naturally cools to room temperature, can obtain wood plastic composite.
The physicals of table 1. the present invention is high temperature resistant wood plastic composite
| Tensile strength (MPa) | Modulus in flexure (MPa) | Notched Izod impact strength (J/m2) | Heat-drawn wire (DEG C) | |
| Embodiment 1 | 34.18 | 2343 | 11.72 | 192.43 |
| Embodiment 2 | 37.56 | 2488 | 13.49 | 202.10 |
| Embodiment 3 | 34.72 | 2217 | 12.40 | 198.75 |
Claims (3)
1. a high temperature resistant wood plastic composite, is characterized in that, comprises the raw material of following parts by weight:
Ramulus mori 80-120 part, waste plastic 50-70 part, modified phenolic resins 20-35 part, silicon rubber 10-15 part, glass fibre 3-5 part, sepiolite fibre 5-8 part, maleic anhydride 4-7 part, nano aluminium oxide 3-6 part, zinc borate flame retardant 3-6 part, 5571 photostabilizer 5-7 parts and butylated hydroxy anisole antioxidant 4-6 part.
2. a kind of high temperature resistant wood plastic composite according to claim 1, is characterized in that: the particle diameter of described ramulus mori is 40-60 order, water content is 10-12%.
3. a preparation method for high temperature resistant wood plastic composite as claimed in claim 1 or 2, is characterized in that, comprise the following steps:
(1) modification pre-treatment: 80-120 part ramulus mori, 4-7 part maleic anhydride and 3-6 part nano aluminium oxide are added ball mill, stirs 15-20min under rotating speed is 100-150r/min, obtains modified fibre;
(2) high speed batch mixing: above-mentioned modified fibre and each component raw material of residue are added high-speed mixer, are 100-300 at rotating speed
Stir 5-8min under r/min, obtain mixture;
(3) hot-forming: mixture is added thermo-pressing moulder, temperature be 220-240 DEG C, pressure be 6-8Mpa under thermocompression forming 50-80S, shaping wood plastic composite can be obtained;
(4) cooling and shaping: shaping wood plastic composite naturally cools to room temperature, can obtain wood plastic composite.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694502A (en) * | 2016-01-29 | 2016-06-22 | 安徽以诺木塑板材科技有限公司 | Environment-friendly wood-plastic material |
| CN105733289A (en) * | 2016-04-27 | 2016-07-06 | 苏州圣谱拉新材料科技有限公司 | Anti-corrosion environment-friendly material and preparation method thereof |
| CN106272877A (en) * | 2016-08-15 | 2017-01-04 | 汕头市亨德利塑胶有限公司 | A kind of for outdoor high temperature resistant wood plastic composite and preparation thereof |
| CN107189480A (en) * | 2017-05-24 | 2017-09-22 | 陈海银 | Add the composite of ramulus mori fiber |
| CN108752959A (en) * | 2018-05-22 | 2018-11-06 | 王秋林 | Ramulus mori fiber PVC composite materials |
| CN108976825A (en) * | 2018-06-26 | 2018-12-11 | 武汉中智德远科技开发有限公司 | A kind of high heat resistance modified resin and preparation method thereof |
| CN110835470A (en) * | 2018-08-15 | 2020-02-25 | 台山市世隆塑料有限公司 | Plastic particle and preparation method thereof |
| CN114685895A (en) * | 2022-04-21 | 2022-07-01 | 河北工程大学 | Flame-retardant aging-resistant wood-plastic composite material and preparation method thereof |
| CN115160814A (en) * | 2022-08-09 | 2022-10-11 | 中国天楹股份有限公司 | Preparation method of wood-plastic composite material based on mechanochemical modified wood powder |
-
2015
- 2015-08-13 CN CN201510495395.1A patent/CN105062113A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694502A (en) * | 2016-01-29 | 2016-06-22 | 安徽以诺木塑板材科技有限公司 | Environment-friendly wood-plastic material |
| CN105733289A (en) * | 2016-04-27 | 2016-07-06 | 苏州圣谱拉新材料科技有限公司 | Anti-corrosion environment-friendly material and preparation method thereof |
| CN106272877A (en) * | 2016-08-15 | 2017-01-04 | 汕头市亨德利塑胶有限公司 | A kind of for outdoor high temperature resistant wood plastic composite and preparation thereof |
| CN106272877B (en) * | 2016-08-15 | 2019-05-07 | 汕头亨德利新材料股份有限公司 | A kind of high temperature resistant wood plastic composite and its preparation for open air |
| CN107189480A (en) * | 2017-05-24 | 2017-09-22 | 陈海银 | Add the composite of ramulus mori fiber |
| CN108752959A (en) * | 2018-05-22 | 2018-11-06 | 王秋林 | Ramulus mori fiber PVC composite materials |
| CN108976825A (en) * | 2018-06-26 | 2018-12-11 | 武汉中智德远科技开发有限公司 | A kind of high heat resistance modified resin and preparation method thereof |
| CN110835470A (en) * | 2018-08-15 | 2020-02-25 | 台山市世隆塑料有限公司 | Plastic particle and preparation method thereof |
| CN114685895A (en) * | 2022-04-21 | 2022-07-01 | 河北工程大学 | Flame-retardant aging-resistant wood-plastic composite material and preparation method thereof |
| CN115160814A (en) * | 2022-08-09 | 2022-10-11 | 中国天楹股份有限公司 | Preparation method of wood-plastic composite material based on mechanochemical modified wood powder |
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Application publication date: 20151118 |