CN101525456A - PVC wood-plastic low foaming granule material and preparation method thereof - Google Patents

PVC wood-plastic low foaming granule material and preparation method thereof Download PDF

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Publication number
CN101525456A
CN101525456A CN200810046980A CN200810046980A CN101525456A CN 101525456 A CN101525456 A CN 101525456A CN 200810046980 A CN200810046980 A CN 200810046980A CN 200810046980 A CN200810046980 A CN 200810046980A CN 101525456 A CN101525456 A CN 101525456A
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China
Prior art keywords
wood
parts
low foaming
granule material
powder
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Application number
CN200810046980A
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Chinese (zh)
Inventor
翁端华
翁端祥
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翁端华
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Priority to CN200810046980A priority Critical patent/CN101525456A/en
Publication of CN101525456A publication Critical patent/CN101525456A/en

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Abstract

The invention discloses a PVC wood-plastic low foaming granule material and a preparation method thereof, and belongs to the technical field of wood-plastic materials. The PVC wood-plastic low foaming granule material comprises the following substances in portion by weight: 20 to 60 portions of wood powder or/and bamboo powder, 100 portions of polyvinyl chloride, 2 to 12 portions of composite stabilizing agent, 5 to 60 portions of CaCO3, 0.6 to 6 portions of foaming agent, 2 to 16 portions of assistant foaming agent, 1 to 10 portions of processing assistant, 0.6 to 6 portions of lubricating agent, 0.6 to 4 portions of coupling agent, and 0.1 to 0.8 portion of paint. The method for preparing the PVC wood-plastic low foaming granule material comprises the following steps: mixing and heating the substances; plasticizing the substances; extruding the substances into columnar granules; and separating and packing the granules as a product. The PVC wood-plastic low foaming granule material has relatively stable components and lighter texture, and is convenient to transport, store and process. The preparation method is simple and practical, saves energy, and saves investment; and the quality of the product is stable.

Description

PVC wood-plastic low foaming granule material and preparation method thereof

Technical field

The invention belongs to the Wood-plastic material technical field, relate to a kind of with wood powder or/and bamboo powder, polyvinyl chloride (PVC) and processing aid etc., compounded novel wood-plastic low foaming granule material; And the preparation method of this novel wood-plastic low foaming granule material.

Background technology

Wood-plastic material be a kind of with depleted xylon or vegetable fibre and thermoplastics etc. fill, after the enhancing, modification, blend and the advanced composite material that makes.This mixed and modified material is through special-purpose single screw extrusion machine or twin screw extruder is mixed corresponding mould again and the assistant formation machine can be processed into section bar, sheet material or other goods.Particulate material moulded by the wood that has emerged at present and there is following defective in working method:

1, need special drying plant to carry out pre-treatment before xylon or vegetable fibre use, time-consuming, power consumption.

2, the easy moisture absorption of xylon or vegetable fibre in the compound, though through drying treatment, but still should not deposit, existing using can only now be mixed.

3, be subjected to the influence of factors such as material supplier and complete processing, its mass discrepancy of the product that the same recipe different manufacturers is produced is bigger.

4, the product density that is processed is bigger, all surpasses 1.1~1.4g/cm usually 3, practical application is restricted.

Summary of the invention

At the above-mentioned deficiency of prior art, the technical problem to be solved in the present invention provides a kind of PVC wood and moulds particulate material, and it can be prepared into storage of finished products, and finished-product volume is light, nonhygroscopic, also have heat insulation, sound damping function and effect.Preparation method of the present invention is simple and practical, constant product quality.

Technical scheme of the present invention is: the PVC wood-plastic low foaming granule material is made up of following component and parts by weight thereof:

Wood powder is or/and 20~60 parts in bamboo powder;

100 parts of polyvinylchlorides;

2~12 parts of one package stabilizers;

CaCO 35~60 parts;

0.6~6 part of whipping agent Cellmic C 121 H2NCON;

2~16 parts of blowing promotor ZB-530;

1~10 part of processing aid ACR-401;

0.6~6 part in lubricant paraffin;

0.6~4 part of coupling agent titanic acid ester;

Pigment 0.1-0.8 part.

Described one package stabilizer is the lead salt one package stabilizer, or the organotin one package stabilizer, or calcium-zinc composite stabilizing agent.

The fineness of described wood powder or bamboo powder is 100 orders~300 orders.

When described wood powder and bamboo powder used simultaneously, its cooperation ratio was:

Wood powder: bamboo powder=1: 1.

The preparation method of PVC wood-plastic low foaming granule material is characterized in that:

(1) with following component and parts by weight thereof:

Wood powder is or/and 20~60 parts in bamboo powder;

100 parts of polyvinylchlorides;

2~12 parts of one package stabilizers;

CaCO 35~60 parts;

0.6~6 part of whipping agent Cellmic C 121 (H2NCON);

2~16 parts of blowing promotor ZB-530;

1~10 part of processing aid ACR-401;

0.6~6 part in lubricant paraffin;

0.6~4 part of coupling agent titanic acid ester;

Pigment 0.1-0.8 part;

Put into that high-speed mixer mixes and carry out pre-reaction at 85 ℃~105 ℃;

(2) temperature is reached 105 ℃ compound, import in the cooling mixing machine and further mix and cooling; Be cooled to 45 ℃;

(3) will be cooled to 45 ℃ compound and import wooden plastic granulating machine and plastify, plasticization temperature is controlled at 140 ℃~175 ℃;

(4) wood that plasticizing is good is moulded blend melt and is extruded to the template of hundreds of through holes from having 20, and through-hole diameter is 2.5~4mm on the template, and the strip material that will extrude from the template through hole is cut into the cylindrical pellet of the about 2~3mm of length;

(5) the cylindrical pellet material after will cutting is sent into wind and is sent device and cyclone separator that wood is moulded the particulate material cooling, and will be packaged into product after particulate material and the pneumatic separation.

Described one package stabilizer is the lead salt one package stabilizer, or the organotin one package stabilizer, or calcium-zinc composite stabilizing agent.

The fineness of described wood powder or bamboo powder is 100 orders~300 orders.

When described wood powder and bamboo powder used simultaneously, its cooperation ratio was:

Wood powder: bamboo powder=1: 1.

PVC wood-plastic low foaming granule material of the present invention, composition is relatively stable, and quality is lighter, and is convenient to transportation and stores the processing facility.Preparation method of the present invention is simple and practical, has both saved the energy, reduce investment outlay again, and constant product quality.

Embodiment

Below embodiments of the invention and embodiment thereof are described in further detail.The invention provides a kind of energy of both having saved,, and be convenient to transportation and storage, process PVC wood-plastic low foaming granule material easily again for the user reduces investment outlay.The product composition that uses this particulate material to produce is relatively stable, owing to added whipping agent, has formed the closed pore microvesicle of some amount in material, and not only gently (density is at 0.55~0.9g/cm to make the material quality 3Between the scope), also have heat insulation, sound damping function and effect; Owing to added a certain proportion of wood powder or bamboo powder, make material possess the advantage of plastics and timber simultaneously again, promptly woodiness touch is true to nature, and protection against the tide is corrosion-resistant, does not ftracture, anti-damaging by worms, difficult combustion; Be the ideal building and ornament materials.

Embodiment 1:PVC wood-plastic low foaming granule material is made up of the material of following component and content thereof:

60 parts of wood powders

100 parts of polyvinyl chloride (PVC)

10 parts of one package stabilizers

Lime carbonate (CaCO 3) 30 parts

6 parts of Cellmic C 121s (H2NCON)

10 parts of blowing promotors (ZB-530)

10 parts of processing aids (ACR-401)

6 parts of lubricants such as paraffin

4 parts of titanate coupling agents

0.5 part of pigment

Embodiment 2:PVC wood-plastic low foaming granule material is made up of the material of following component and content thereof:

40 parts in bamboo powder

100 parts of polyvinyl chloride (PVC)

8.5 parts of one package stabilizers

Lime carbonate (CaCO 3) 40 parts

0.6 part of Cellmic C 121 (H2NCON)

16 parts of blowing promotors (ZB-530)

6 parts of processing aids (ACR-401)

3.5 parts of lubricants such as paraffin

3.5 parts of titanate coupling agents

0.4 part of pigment

Embodiment 3:PVC wood-plastic low foaming granule material is made up of the material of following component and content thereof:

10 parts of wood powders

10 parts in bamboo powder

100 parts of polyvinyl chloride (PVC)

4 parts of one package stabilizers

Lime carbonate (CaCO 3) 60 parts

3.5 parts of Cellmic C 121s (H2NCON)

2 parts of blowing promotors (ZB-530)

1 part of processing aid (ACR-401)

0.6 part of lubricant such as paraffin

0.6 part of titanate coupling agent

0.2 part of pigment

Method of the present invention is: buy polyvinyl chloride (PVC) RESINS, processing aid (as blowing promotor ZB-530 from manufacturer or from market; Processing aid ACR-401 is a trade(brand)name) and wood powder or/and bamboo powder raw materials such as (particle diameter get final product more than 100 orders), by the aforementioned ratio batching, suitably add some pigment to arrange in pairs or groups then, thereby the wood that obtains different colours is moulded compound.Putting into high-speed mixer heats, mixes and carry out pre-reaction at 85 ℃~105 ℃.When arriving 105 ℃, compound imported in the cooling mixing machine and further mix and cooling blowing in the time of 45 ℃.Compound is imported special-purpose wooden plastic granulating machine again and plastified, technological temperature is controlled at 140 ℃~175 ℃.Wait that the wood that plastifies moulds blend melt and be cut into the cylindrical pellet that diameter is 3~4mm, the about 2~3mm of length when template is extruded strip, pack after sending device and cyclone separator that wood is moulded the particulate material refrigerated separation by wind again.

The PVC wood-plastic low foaming granule material tint permanence of the present invention preparation is good, and the outward appearance difference of sheet material, section bar and the timber made from particulate material of the present invention is very little, and woodiness touch is true to nature, and is heat insulation, sound insulation, and protection against the tide, corrosion-resistant, do not ftracture, anti-damaging by worms, difficulty is fired; Be the ideal building and ornament materials.

Wherein, one package stabilizer is lead salt one package stabilizer or organotin one package stabilizer or calcium-zinc composite stabilizing agent.Main effect has been a heat stabilization, prevents that polyvinyl chloride from adding overheated decomposition in man-hour.Also play the decomposition temperature that reduces whipping agent simultaneously, play the effect of activator, promote the decomposition of whipping agent, make blowing temperature be fit to processing temperature.

Cellmic C 121 (H2NCON) is a kind of whipping agent, can decompose when being heated to certain temperature to produce a large amount of gas, forms the closed pore microvesicle of some amount in the plastifying melt.

Lime carbonate has been the effect of nucleator, the abscess even compact that whipping agent is produced.Also has enhancement simultaneously.

The effect of titanate coupling agent is that wood powder or bamboo powder are carried out surface treatment, makes it can better be compatible with polyvinyl chloride, increases bonding force.

Claims (8)

1, a kind of PVC wood-plastic low foaming granule material is characterized in that: described PVC wood-plastic low foaming granule material is made up of following component and parts by weight thereof:
Wood powder is or/and 20~60 parts in bamboo powder;
100 parts of polyvinylchlorides;
2~12 parts of one package stabilizers;
CaCO 35~60 parts;
0.6~6 part of whipping agent Cellmic C 121 H2NCON;
2~16 parts of blowing promotor ZB-530;
1~10 part of processing aid ACR-401;
0.6~6 part in lubricant paraffin;
0.6~4 part of coupling agent titanic acid ester;
Pigment 0.1-0.8 part.
2, PVC wood-plastic low foaming granule material according to claim 1 is characterized in that: described one package stabilizer is the lead salt one package stabilizer, or the organotin one package stabilizer, or calcium-zinc composite stabilizing agent.
3, PVC wood-plastic low foaming granule material according to claim 1 is characterized in that: the fineness of described wood powder or bamboo powder is 100 orders~300 orders.
4, PVC wood-plastic low foaming granule material according to claim 1, when it is characterized in that described wood powder and bamboo powder use simultaneously, its cooperation ratio is:
Wood powder: bamboo powder=1: 1.
5, a kind of preparation method of PVC wood-plastic low foaming granule material is characterized in that:
(1) with following component and parts by weight thereof:
Wood powder is or/and 20~60 parts in bamboo powder;
100 parts of polyvinylchlorides;
2~12 parts of one package stabilizers;
CaCO 35~60 parts;
0.6~6 part of whipping agent Cellmic C 121 (H2NCON);
2~16 parts of blowing promotor ZB-530;
1~10 part of processing aid ACR-401;
0.6~6 part in lubricant paraffin;
0.6~4 part of coupling agent titanic acid ester;
Pigment 0.1-0.8 part;
Put into that high-speed mixer mixes and carry out pre-reaction at 85 ℃~105 ℃;
(2) temperature is reached 105 ℃ compound, import in the cooling mixing machine and further mix and cooling; Be cooled to 45 ℃;
(3) will be cooled to 45 ℃ compound and import wooden plastic granulating machine and plastify, plasticization temperature is controlled at 140 ℃~175 ℃;
(4) wood that plasticizing is good is moulded blend melt and is extruded to the template of hundreds of through holes from having 20, and through-hole diameter is 2.5~4mm on the template, and the strip material that will extrude from the template through hole is cut into the cylindrical pellet of the about 2~3mm of length;
(5) the cylindrical pellet material after will cutting is sent into wind and is sent device and cyclone separator that wood is moulded the particulate material cooling, and will be packaged into product after particulate material and the pneumatic separation.
6, the preparation method of PVC wood-plastic low foaming granule material according to claim 5 is characterized in that: described one package stabilizer is the lead salt one package stabilizer, or the organotin one package stabilizer, or calcium-zinc composite stabilizing agent.
7, the preparation method of PVC wood-plastic low foaming granule material according to claim 5 is characterized in that: the fineness of described wood powder or bamboo powder is 100 orders~300 orders.
8, the preparation method of PVC wood-plastic low foaming granule material according to claim 5 is characterized in that: when described wood powder and bamboo powder used simultaneously, its cooperation ratio was:
Wood powder: bamboo powder=1: 1.
CN200810046980A 2008-03-03 2008-03-03 PVC wood-plastic low foaming granule material and preparation method thereof CN101525456A (en)

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CN101525456A true CN101525456A (en) 2009-09-09

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CN101942184A (en) * 2010-09-21 2011-01-12 中国科学院宁波材料技术与工程研究所 Bamboo powder filling biodegradable compound material and preparation method thereof
CN102002251A (en) * 2010-11-24 2011-04-06 宁波维卡木业科技有限公司 Wood plastic composite coiled material floor and preparation method thereof
CN102069611A (en) * 2010-10-15 2011-05-25 曾广胜 Package cushioning composite material
CN102167872A (en) * 2011-05-23 2011-08-31 南京航空航天大学 Micro-foaming wood plastic composite material plate for building template and preparation method thereof
CN102229728A (en) * 2011-05-10 2011-11-02 江苏明天材料科技有限公司 Micro-foaming wood plastic composite sheet and preparation method thereof
CN102321267A (en) * 2011-08-02 2012-01-18 恳达(上海)装饰材料有限公司 Preparation method of PVC (polyvinyl chloride) foaming wood-polymer sectional material
CN102453289A (en) * 2010-10-22 2012-05-16 中国石油化工股份有限公司 Light ageing resistant low-cost renewable polyvinyl chloride (PVC) foamed composite material and preparation method thereof
CN102617950A (en) * 2012-04-09 2012-08-01 赵芳 Resource-conserving type gray plastic foaming polymer composite material and preparation method thereof
CN102731903A (en) * 2011-04-15 2012-10-17 黄云清 Composite material of imitated glass reinforced plastic, its manufacture method and its application
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CN101942184B (en) * 2010-09-21 2012-07-04 中国科学院宁波材料技术与工程研究所 Bamboo powder filling biodegradable compound material and preparation method thereof
CN101942184A (en) * 2010-09-21 2011-01-12 中国科学院宁波材料技术与工程研究所 Bamboo powder filling biodegradable compound material and preparation method thereof
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CN104817783A (en) * 2015-03-23 2015-08-05 江苏凡新新材料科技有限公司 Multifunctional lightweight wood-plastic composite material used for modern home and preparation method thereof
CN106633468A (en) * 2015-11-04 2017-05-10 武汉立尔飞新材料科技有限公司 PVC (polyvinyl chloride) mixture for PVC foam wood-plastic production
CN105885451A (en) * 2016-06-01 2016-08-24 南京信息工程大学 Foamed porous wood-plastic composite and preparation method thereof
CN105885451B (en) * 2016-06-01 2018-10-23 南京信息工程大学 A kind of foamed porous wood plastic composite and preparation method thereof
CN106065192A (en) * 2016-06-01 2016-11-02 南京信息工程大学 A kind of plastic-wood floor and preparation method thereof
CN106832677A (en) * 2017-03-09 2017-06-13 江苏云腾高新科技有限公司 A kind of super imitation wood texture PVC foam sheet material
CN107226972A (en) * 2017-06-06 2017-10-03 福建省泽弘智能机械有限公司 A kind of PVC foam section bar for interior decoration floor
CN107574678A (en) * 2017-09-26 2018-01-12 成都新柯力化工科技有限公司 A kind of environment-friendly type foam leather and preparation method
CN108373568A (en) * 2018-02-02 2018-08-07 湖南恒信新型建材有限公司 A kind of hard PVC plank and preparation method thereof

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