CN105086270A - High-toughness PVC (polyvinyl chloride) wood-plastic material - Google Patents

High-toughness PVC (polyvinyl chloride) wood-plastic material Download PDF

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Publication number
CN105086270A
CN105086270A CN201510530463.3A CN201510530463A CN105086270A CN 105086270 A CN105086270 A CN 105086270A CN 201510530463 A CN201510530463 A CN 201510530463A CN 105086270 A CN105086270 A CN 105086270A
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China
Prior art keywords
temperature
powder
parts
wood
polyvinyl chloride
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CN201510530463.3A
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Chinese (zh)
Inventor
陈篯
孙维乐
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Anhui Bei Ma Technology Co Ltd
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Anhui Bei Ma Technology Co Ltd
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Priority to CN201510530463.3A priority Critical patent/CN105086270A/en
Publication of CN105086270A publication Critical patent/CN105086270A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a high-toughness PVC (polyvinyl chloride) wood-plastic material, prepared with, by weight, 30 to 40 parts of rice bran powder, 10 to 20 parts of butyl acrylate, 0.02 to 0.03 part of benzoyl peroxide, 0.01 to 0.02 part of N, N-dimethylaniline, 3 to 4 parts of polyethylene wax, 1 to 1.2 parts of dilauryl thiodipropionate, 1.5 to 2 parts of calcium stearate, 95 to 100 parts of polyvinyl chloride, 2 to 3 parts of AC foamer, 1 to 2 parts of cell regulator ACR530, 6 to 8 parts of chlorinated polyethylene, 2 to 3 parts of glass powder, 2 to 3 parts of dolomite powder, 0.4 to 0.6 part of zinc borate, and 0.1 to 0.3 part of silane coupling agent kh570. The material is good in toughness, shock resistant, cracking resistant, water repellent, good in fireproof performance, good in processing performance and applicable to the fields such as home building materials.

Description

A kind of high tenacity pvc wood plastics
Technical field
The present invention relates to Wood-plastic material technical field, particularly relate to a kind of high tenacity pvc wood plastics.
Background technology
China is the country that a timber does not enrich, and underproducely causes the demand that can not meet market.Enhancing along with environmental consciousness and the protection to trees, wood plastic composite swarms into the visual field of people gradually, and Wood-plastic material is that one wood powder, xylon or other vegetable fibre fill thermoplastic polymer composite material, has the advantage of timber and plastics concurrently.According to the kind of thermoplastics used, can be divided into that PVC foam wood/plastic, ABS foaming wood-plastic, PS foaming wood-plastic, PE wood are moulded, PP wood is moulded, Wood-plastic material is because of advantages such as its environmental protection, shaping efficiency are high, the friendly of waterproof, good weatherability, environment, and development in recent years more and more sooner and be applied in each field widely.Although wood plastic composite has a good application prospect, due to more crisp, low impact property, there is higher density compared with natural timber and cause it to be restricted in application.In Wood-plastic material formula; add whipping agent and can prepare foaming wood-plastic goods with abscess; foaming wood-plastic goods are except possessing the feature of traditional wood plastic product; also there is the superperformances such as light weight, heat insulation, noise reduction; but mould formula carry out foaming as whipping agent directly added wood; wood-plastic products often can be uneven because of whipping agent dispersion, causes the problems such as cell size is uneven, product processes is unstable, greatly affect the application performance of goods.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of high tenacity pvc wood plastics.
The present invention is achieved by the following technical solutions:
A kind of high tenacity pvc wood plastics, be made up of the raw material of following weight part: chaff powder 30-40, butyl acrylate 10-20, benzoyl peroxide 0.02-0.03, DMA 0.01-0.02, polyethylene wax 3-4, thiodipropionic acid dilauryl cinnamic acid ester 1-1.2, calcium stearate 1.5-2, polyvinyl chloride 95-100, AC whipping agent 2-3, cell modifiers ACR5301-2, chlorinatedpolyethylene 6-8, glass powder 2-3, rhombspar powder 2-3, zinc borate 0.4-0.6, silane coupling agent kh5700.1-0.3;
Described a kind of high tenacity pvc wood plastics, be made up of following concrete step:
(1) glass powder, ground dolomite and zinc borate are mixed, add silane coupling agent kh570 grinding distribution and evenly obtain mixed powder, again polyethylene wax is heated to melting, add Antioxidant DLTP, calcium stearate stirs, be coated on mixed powder surface, made particle for subsequent use;
(2) by chaff powder the temperature range of 190-230 ° C in the heat treated of granularity between 20-60 order, by moisture controlled below 3%, being added to by dried wood powder has in the container of stirring rod, by butyl acrylate, benzoyl peroxide, N, accelerine mixes and is added in chaff powder, control temperature is at 85-90 ° of C, and polyreaction 1-1.5h makes it homogenization, for subsequent use after cooling;
(3) polyvinyl chloride and chlorinatedpolyethylene are placed in the heating of acceleration mixing machine to mix, reduce temperature to the product adding step (1) during 110-115 ° of C and prepare, continue mixing and stirring, AC whipping agent is added and cell modifiers ACR530 is mixed to evenly when adjusting the temperature to 60-65 ° of C, add modification chaff powder prepared by step (2) again to stir, temperature is controlled stop when 40-45 ° of C stirring to be dry blend;
(4) dry blend step (3) obtained is sent in forcing machine, wherein expressing technique is: district's temperature is 160-165 ° of C, two district's temperature are 175-185 ° of C, three district's temperature are 195-200 ° of C, four district's temperature are 190-195 ° of C, head temperature is 180-185 ° of C, and rotor speed is 35-40r/pm, and extrusion moulding can obtain wood plastic composite.
Advantage of the present invention is: the present invention adopts lubricant to carry out coated to blending ingredients, polyvinyl chloride is made to add minimizing generation in man-hour heat of friction, improve the stability of product and qualitative, and adopt calcium stearate to replace Pb stabilizer, can not only absorbing hydrogen chloride, add and play auxiliary stable effect man-hour, complexing can also be produced with polyvinyl chloride, produce the effect of lubrication, chaff powder is also carried out dip treating by the present invention, solve vegetable fibre and pvc resin boundary surface compatibility problem, modified chaff powder and resin boundary surface wettability, interfacial adhesion effect is better, improve the physical strength of matrix material, the glass powder added, ground dolomite and zinc borate three are with the use of the fire line that can increase material, resistivity against fire, erosion resistance and toughness, increase the service life, plate good toughness moulded by wood of the present invention, antidetonation, cracking resistance, refuse water and fire resistance is good, good processability, be applicable to the fields such as household building materials.
Embodiment
A kind of high tenacity pvc wood plastics, be made up of the raw material of following weight part (kilogram): chaff powder 30, butyl acrylate 10, benzoyl peroxide 0.02, N, N xylidine 0.01, polyethylene wax 3, thiodipropionic acid dilauryl cinnamic acid ester 1, calcium stearate 1.5, polyvinyl chloride 95, AC whipping agent 2, cell modifiers ACR5301, chlorinatedpolyethylene 6, glass powder 2, rhombspar powder 2, zinc borate 0.4, silane coupling agent kh5700.1;
Described a kind of high tenacity pvc wood plastics, be made up of following concrete step:
(1) glass powder, ground dolomite and zinc borate are mixed, add silane coupling agent kh570 grinding distribution and evenly obtain mixed powder, again polyethylene wax is heated to melting, add Antioxidant DLTP, calcium stearate stirs, be coated on mixed powder surface, made particle for subsequent use;
(2) by chaff powder the temperature range of 190 ° Cs in the heat treated of granularity between 20 orders, by moisture controlled below 3%, being added to by dried wood powder has in the container of stirring rod, by butyl acrylate, benzoyl peroxide, N, N xylidine mixes and is added in chaff powder, control temperature is at 85 ° of C, and polyreaction 1h makes it homogenization, for subsequent use after cooling;
(3) polyvinyl chloride and chlorinatedpolyethylene are placed in the heating of acceleration mixing machine to mix, product prepared by step (1) is added when reducing temperature to 110 ° C, continue mixing and stirring, AC whipping agent is added and cell modifiers ACR530 is mixed to evenly when adjusting the temperature to 60 ° of C, add modification chaff powder prepared by step (2) again to stir, temperature is controlled stop when 40 ° of C stirring to be dry blend;
(4) dry blend step (3) obtained is sent in forcing machine, wherein expressing technique is: district's temperature is 160 ° of C, two district's temperature are 175 ° of C, three district's temperature are 195 ° of C, four district's temperature are 190 ° of C, head temperature is 180 ° of C, and rotor speed is 35r/pm, and extrusion moulding can obtain wood plastic composite.
According to wood plastic composite prepared by embodiment, carry out performance test to it, result is as follows:
Tensile strength is 32.83MPa, and shock strength is 6.92KJ/m2, and elongation at break is 3.25%, and flexural strength is at 16.4MPa, and water-intake rate is 0.82%, and percent thermal shrinkage is 0.56%.

Claims (2)

1. high tenacity pvc wood plastics, it is characterized in that, be made up of the raw material of following weight part: chaff powder 30-40, butyl acrylate 10-20, benzoyl peroxide 0.02-0.03, DMA 0.01-0.02, polyethylene wax 3-4, thiodipropionic acid dilauryl cinnamic acid ester 1-1.2, calcium stearate 1.5-2, polyvinyl chloride 95-100, AC whipping agent 2-3, cell modifiers ACR5301-2, chlorinatedpolyethylene 6-8, glass powder 2-3, rhombspar powder 2-3, zinc borate 0.4-0.6, silane coupling agent kh5700.1-0.3.
2. a kind of high tenacity pvc wood plastics according to claim 1, is characterized in that, be made up of following concrete step:
(1) glass powder, ground dolomite and zinc borate are mixed, add silane coupling agent kh570 grinding distribution and evenly obtain mixed powder, again polyethylene wax is heated to melting, add Antioxidant DLTP, calcium stearate stirs, be coated on mixed powder surface, made particle for subsequent use;
(2) by chaff powder the temperature range of 190-230 ° C in the heat treated of granularity between 20-60 order, by moisture controlled below 3%, being added to by dried wood powder has in the container of stirring rod, by butyl acrylate, benzoyl peroxide, N, accelerine mixes and is added in chaff powder, control temperature is at 85-90 ° of C, and polyreaction 1-1.5h makes it homogenization, for subsequent use after cooling;
(3) polyvinyl chloride and chlorinatedpolyethylene are placed in the heating of acceleration mixing machine to mix, reduce temperature to the product adding step (1) during 110-115 ° of C and prepare, continue mixing and stirring, AC whipping agent is added and cell modifiers ACR530 is mixed to evenly when adjusting the temperature to 60-65 ° of C, add modification chaff powder prepared by step (2) again to stir, temperature is controlled stop when 40-45 ° of C stirring to be dry blend;
(4) dry blend step (3) obtained is sent in forcing machine, wherein expressing technique is: district's temperature is 160-165 ° of C, two district's temperature are 175-185 ° of C, three district's temperature are 195-200 ° of C, four district's temperature are 190-195 ° of C, head temperature is 180-185 ° of C, and rotor speed is 35-40r/pm, and extrusion moulding can obtain wood plastic composite.
CN201510530463.3A 2015-08-26 2015-08-26 High-toughness PVC (polyvinyl chloride) wood-plastic material Pending CN105086270A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106336599A (en) * 2016-08-28 2017-01-18 桐乡市美意家具有限公司 Wood-plastic furniture material and preparation method thereof
CN106633970A (en) * 2016-09-21 2017-05-10 苏州佰思科节能环保科技有限公司 Rice bran power type flame-retarding wood-plastic composite material and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102146189A (en) * 2011-04-21 2011-08-10 山西格瑞环保设备有限公司 Environment-friendly modified PVC (Polyvinyl Chloride) wood plastic composite low-foaming granular material and preparation method thereof
CN103146049A (en) * 2013-02-28 2013-06-12 山东理工大学 preparation method and application of acrylate wood-plastic composite compatibilization modifier
CN103509288A (en) * 2013-09-13 2014-01-15 临沂康亿家生态木业有限公司 PVC foam wood/plastic composite material and manufacturing method thereof
CN104356543A (en) * 2014-10-31 2015-02-18 安徽省三乐门窗幕墙工程有限公司 Filler for plastic door window and preparation method of filler

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN102146189A (en) * 2011-04-21 2011-08-10 山西格瑞环保设备有限公司 Environment-friendly modified PVC (Polyvinyl Chloride) wood plastic composite low-foaming granular material and preparation method thereof
CN103146049A (en) * 2013-02-28 2013-06-12 山东理工大学 preparation method and application of acrylate wood-plastic composite compatibilization modifier
CN103509288A (en) * 2013-09-13 2014-01-15 临沂康亿家生态木业有限公司 PVC foam wood/plastic composite material and manufacturing method thereof
CN104356543A (en) * 2014-10-31 2015-02-18 安徽省三乐门窗幕墙工程有限公司 Filler for plastic door window and preparation method of filler

Non-Patent Citations (2)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106336599A (en) * 2016-08-28 2017-01-18 桐乡市美意家具有限公司 Wood-plastic furniture material and preparation method thereof
CN106633970A (en) * 2016-09-21 2017-05-10 苏州佰思科节能环保科技有限公司 Rice bran power type flame-retarding wood-plastic composite material and preparation method thereof

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Application publication date: 20151125