CN102492242B - Polyvinyl chloride (PVC) wood-plastic board and preparation method thereof - Google Patents
Polyvinyl chloride (PVC) wood-plastic board and preparation method thereof Download PDFInfo
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- CN102492242B CN102492242B CN201110400900.1A CN201110400900A CN102492242B CN 102492242 B CN102492242 B CN 102492242B CN 201110400900 A CN201110400900 A CN 201110400900A CN 102492242 B CN102492242 B CN 102492242B
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- polyvinyl chloride
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- wood plastic
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92933—Conveying, transporting or storage of articles
Abstract
The invention relates to a polyvinyl chloride (PVC) wood-plastic board and a preparation method thereof, belonging to the technical field of PVC boards. The PVC wood-plastic board is composed of the following raw materials in parts by weight: 20-70 parts of PVC resin powder, 0.1-5 parts of coupling agent, 2-5 parts of stabilizer, 0-20 parts of alkyl acrylate processing modifying agent, 0-20 parts of filling agent, 0-5 parts of lubricant, 0.5-5 parts of foaming agent, 0-10 parts of toughening agent and 20-70 parts of wood flour, wherein the total weight parts of the raw materials are 100 parts. The PVC wood-plastic board has the bulk density being not more than 700kg/m<3>, and has good flame resistance and smoke suppression property, high hardness and strong wood feeling; and the same as log, the PVC wood-plastic board has the properties of being nailed, drilled, planed, stuck and the like, is smooth and fine in surface, is waterproof, corrosion-resistant, fireproof and mildewproof, is not eaten by worms and is pollution-free.
Description
Technical field
The present invention relates to a kind of polyvinyl chloride Wood plastic boards and preparation method thereof, belong to polyvinyl-chloride plate material technical field.
Background technology
Wood plastic composite is the class advanced composite material being in recent years surging forward both at home and abroad, conventionally utilize polyvinyl chloride etc., replace common resin adhesive, be mixed into new wood materials with useless vegetable fibres such as surpassing more than 30% wood powder, rice husk, stalk, again through the plastic processings such as extruding, mold pressing, injection molding, the sheet material of producing or section bar.Wood is moulded and has been entered country's " strategic new industry register ", the row in " novel material ".And country will, in aspect power-assisted green economys such as finance, tax revenue, finance, investments, strengthen the proportion of the cyclic regeneration product in government procurement simultaneously.Be mainly used in the industries such as building materials, furniture, logistics packaging.It is less that the useless vegetable fibres such as the wood powder that existing Wood plastic boards production technology adopts, rice husk, stalk are mixed into novel material, can not well economize on resources.
Summary of the invention
The object of this invention is to provide a kind of polyvinyl chloride Wood plastic boards, product is used similar wood appearance, and higher than plastics hardness, the life-span is long, can thermoplastic shaping, and the high and save energy of intensity, the present invention provides its preparation method simultaneously.
Described polyvinyl chloride Wood plastic boards, consist of, and raw material gross weight umber is 100 parts the raw material of following parts by weight:
Described coupling agent is silane coupling agent, titanate coupling agent or aluminate coupling agent.
Described stablizer is compound Pb stabilizer, calcium zinc class stablizer or organotin stabilizer.
Described alkyl-acrylates modifier is ACR modifier.
Described weighting agent is calcium carbonate, talcum powder, calcinated argil or barium sulfate.
Described lubricant is stearic acid, stearate, Solsperse 2000 compound, stearic amide class, fatty acid metal soap class, polyethylene wax, paraffin or oxidic polyethylene.
Described whipping agent is yellow whipping agent and white hair infusion, and yellow whipping agent is that Cellmic C 121, azo two isobutyls are fine, nitroso group foaming agent or hydrazides class whipping agent; White hair infusion is sodium bicarbonate, bicarbonate of ammonia, volatile salt or triazo-compound, and the mass ratio of yellow whipping agent and white hair infusion is 1: 1～1: 5.
Described toughner is chlorinatedpolyethylene, alkyl acrylate or ethylene-vinyl acetate polymkeric substance, and the granularity of described wood powder is 20～80 orders.
The preparation method of described polyvinyl chloride Wood plastic boards: first the raw material of formula ratio is added in high-speed mixer, by oil jacket, heat with self-friction and be heated to 105～120 ℃, put into cold mixed, when being cooled to below 50 ℃, puts into material storage bunker, through spring feeder, lean on level gage automatic control material loading, this storage bunker compound enters 80/156 conical double-screw and extrudes processing, screw rod oil temperature is controlled between 80～120 ℃, barrel temperature temperature control is between 130～190 ℃, molten materials enters merging core through screw rod and branches to clothes special posture foaming mould, merging core temperature is between 130～160 ℃, die temperature is between 150～180 ℃, die lip temperature is passed through die heater thermal oil temperature control between 130～160 ℃, molten materials expands and enters typified form simultaneously from mould post-foaming, through cooling and shaping, enter edge-neatening apparatus and control width, then entering automatic cutting machine is finished product by sl. surface trimming.
The invention has the beneficial effects as follows:
Tap density≤the 700kg/m of polyvinyl chloride Wood plastic boards of the present invention
3, thering is good flame retardant resistance and smoke-suppressing, hardness is high simultaneously, and woodiness touch is strong; The same with log, have and the performance such as can follow closely, can bore, can dig, can glue, smooth surface is fine and smooth, and water-fast, corrosion-resistant, fire prevention, mildew-resistant, do not damaged by worms, pollution-free.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
Described polyvinyl chloride Wood plastic boards formula is as follows: the polyvinyl chloride resin powder that the 50 weight part polymerization degree are 1000, the compound Pb stabilizer of 2 weight parts, the ACR modifier of 5 weight parts, the calcium carbonate of 2 weight parts, the polyethylene wax of 1 weight part, the Cellmic C 121 of 0.4 weight part, the sodium bicarbonate of 0.6 weight part, the chlorinatedpolyethylene of 3.9 weight parts, 35 weight part 40 object wood powders, the silane coupling agent of 0.1 weight part, total weight parts is 100 parts.
The preparation method of described polyvinyl chloride Wood plastic boards: first the above-mentioned raw materials of formula ratio is added in high-speed mixer, by oil jacket, heat with self-friction and be heated to 110 ℃, put into cold mixed, when being cooled to 50 ℃, puts into material storage bunker, through spring feeder, lean on level gage automatic control material loading, this storage bunker compound enters 80/156 conical double-screw and extrudes processing, control 17 revs/min of screw speeds, screw rod oil temperature is controlled at 95 ℃, 180 ℃ of barrel temperature temperature controls, 175 ℃, 170 ℃, 160 ℃, molten materials enters merging core through screw rod and branches to clothes special posture foaming mould, merging core temperature is between 130 ℃, die temperature is between 170 ℃, die lip temperature is passed through die heater thermal oil temperature control between 140 ℃, molten materials expands and enters typified form simultaneously from mould post-foaming, through cooling and shaping, enter edge-neatening apparatus and control width, then entering automatic cutting machine is finished product by sl. surface trimming.
The product that the present embodiment is prepared is the sheet material of 15mm, and density is 650kg/m
3, sheet material hardness (shore hardness) D=65.
Embodiment 2
Described polyvinyl chloride Wood plastic boards formula is to change the polyvinyl chloride resin powder polymerization degree of embodiment 1 into 700, and the component in all the other formulas and preparation method are as embodiment 1.
The product that the present embodiment is prepared is the sheet material of 15mm, and density is 600kg/m
3, sheet material hardness (shore hardness) D=60.
Embodiment 3
Described polyvinyl chloride Wood plastic boards formula is as follows: the polyvinyl chloride resin powder that the 50 weight part polymerization degree are 700, the compound Pb stabilizer of 2 weight parts, the ACR modifier of 5 weight parts, the calcium carbonate of 5 weight parts, the polyethylene wax of 1 weight part, the azo acid amides of 0.4 weight part, the sodium bicarbonate of 0.6 weight part, the chlorinatedpolyethylene of 3.9 weight parts, the wood powder of 32 weight parts, the silane coupling agent of 0.1 weight part, 100 parts of total weight parts.
The preparation method of described polyvinyl chloride Wood plastic boards is as embodiment 1.
The product that the present embodiment is prepared is the sheet material of 15mm, and density is 580kg/m
3, sheet material hardness (shore hardness) D=55.
Embodiment 4
Described polyvinyl chloride Wood plastic boards formula is that the polyvinyl chloride resin powder polymerization degree of embodiment 3 changes 1000 into, and the component in all the other formulas and preparation method are as embodiment 3.
The product that the present embodiment is prepared is the sheet material of 15mm, and gained panel density is 600kg/m
3, sheet material hardness (shore hardness) D=62.
Embodiment 5
Described polyvinyl chloride Wood plastic boards formula is as follows: the polyvinyl chloride that the 50 weight part polymerization degree are 1000, the organotin stabilizer of 2 weight parts, the calcium carbonate of 2 weight parts, the ACR modifier of 4 weight parts, the polyethylene wax of 1 weight part, the Cellmic C 121 of 0.4 weight part, the sodium bicarbonate of 0.6 weight part, the chlorinatedpolyethylene of 3.9 weight parts, the wood powder of 36 weight parts, the silane coupling agent of 0.1 weight part, 100 parts of total weight parts.
The preparation method of described polyvinyl chloride Wood plastic boards is as embodiment 1.
The product that the present embodiment is prepared is the sheet material of 15mm, and density is 680kg/m
3, sheet material hardness (shore hardness) D=68.
Embodiment 6
Described polyvinyl chloride Wood plastic boards formula is as follows: the polyvinyl chloride resin powder that the 50 weight part polymerization degree are 1000, the compound Pb stabilizer of 2 weight parts, the calcium carbonate of 2 weight parts, the ACR modifier of 5 weight parts, the polyethylene wax of 1 weight part, the Cellmic C 121 of 0.2 weight part, the volatile salt of 1 weight part, the chlorinatedpolyethylene of 3.9 weight parts, the wood powder of 34.8 weight parts, the silane coupling agent of 0.1 weight part, the component of total weight parts 100, gained panel density is 650kg/m
3, sheet material hardness (shore hardness) D=70, preparation method is identical with embodiment 1.
Embodiment 7
Described polyvinyl chloride Wood plastic boards formula is as follows: the polyvinyl chloride resin powder that the 48 weight part polymerization degree are 700, the compound Pb stabilizer of 2 weight parts, the ACR modifier of 6 weight parts, the barium sulfate of 3 weight parts, the oxidic polyethylene of 1 weight part, azo two isobutyls of 0.4 weight part are fine, the sodium bicarbonate of 0.6 weight part, the chlorinatedpolyethylene of 3.9 weight parts, the wood powder of 35 weight parts, the silane coupling agent of 0.1 weight part, total weight parts is 100 parts, through the cold conical double screw extruder of infiltrating into 80/156 of heat, control 17 revs/min of screw speeds, barrel Heating temperature is respectively 180 ℃, 175 ℃, 170 ℃, 160 ℃, 95 ℃ of screw rod oil temperatures, 170 ℃ of die temperatures, 140 ℃ of die lip temperature, the sheet material that is 15mm through foaming and setting, density is 580kg/m
3, sheet material hardness (shore hardness) D=55, all the other are embodiment 1.
In formula, several important components and sheet material index are as shown in table 1 below:
Table 1 embodiment performance table
By above table 1, can be found out:
1, sheet material increases with the increase density of the polyvinyl chloride resin powder polymerization degree.
2, in the constant situation of panel density, sheet material hardness increases with the increase of polyvinyl chloride molecular weight.
3, the consumption that suitably strengthens white hair infusion in formula, sheet material hardness can improve.
4, panel density reduces with the increase of properties-correcting agent.
5, sheet material hardness reduces with minimizing or the weighting agent increase of wood powder.
Claims (9)
1. a polyvinyl chloride Wood plastic boards, it is characterized in that being comprised of the raw material of following parts by weight, and raw material gross weight umber is 100 parts:
Polyvinyl chloride resin powder 20～70;
Coupling agent 0.1～5;
Stablizer 2～5;
Alkyl-acrylates modifier 0～20;
Weighting agent 0～20;
Lubricant 0～5;
Whipping agent 0.5～5;
Toughner 0～10;
Wood powder 20～70;
Described whipping agent is yellow whipping agent and white hair infusion, and both mass ratioes are 1:1～1:5, and yellow whipping agent is that Cellmic C 121, azo two isobutyls are fine, nitroso group foaming agent or hydrazides class whipping agent; White hair infusion is sodium bicarbonate, bicarbonate of ammonia, volatile salt or triazo-compound.
2. polyvinyl chloride Wood plastic boards according to claim 1, is characterized in that the polymerization degree of described polyvinyl chloride resin powder is 600～1100.
3. polyvinyl chloride Wood plastic boards according to claim 1, is characterized in that described coupling agent is silane coupling agent, titanate coupling agent or aluminate coupling agent.
4. polyvinyl chloride Wood plastic boards according to claim 1, is characterized in that described stablizer is compound Pb stabilizer, calcium zinc class stablizer or organotin stabilizer.
5. polyvinyl chloride Wood plastic boards according to claim 1, is characterized in that described alkyl-acrylates modifier is ACR modifier.
6. polyvinyl chloride Wood plastic boards according to claim 1, is characterized in that described weighting agent is calcium carbonate, talcum powder, calcinated argil or barium sulfate.
7. polyvinyl chloride Wood plastic boards according to claim 1, is characterized in that described lubricant is stearic acid, stearate, Solsperse 2000 compound, stearic amide class, fatty acid metal soap class, polyethylene wax, paraffin or oxidic polyethylene.
8. polyvinyl chloride Wood plastic boards according to claim 1, is characterized in that described toughner is chlorinatedpolyethylene, alkyl acrylate or ethylene-vinyl acetate polymkeric substance, and the granularity of described wood powder is 20～80 orders.
9. the preparation method of the arbitrary described polyvinyl chloride Wood plastic boards of a claim 1～8, it is characterized in that: first the raw material of formula ratio is added in high-speed mixer, by oil jacket, heat with self-friction and be heated to 105～120 ℃, put into cold mixed, when being cooled to below 50 ℃, puts into material storage bunker, through spring feeder, lean on level gage automatic control material loading, this storage bunker compound enters 80/156 conical double-screw and extrudes processing, screw rod oil temperature is controlled between 80～120 ℃, barrel temperature temperature control is between 130～190 ℃, molten materials enters merging core through screw rod and branches to rack-style foaming mould, merging core temperature is between 130～160 ℃, die temperature is between 150～180 ℃, die lip temperature is passed through die heater thermal oil temperature control between 130～160 ℃, molten materials expands and enters typified form simultaneously from mould post-foaming, through cooling and shaping, enter edge-neatening apparatus and control width, then entering automatic cutting machine is finished product by sl. surface trimming.
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| CN201110400900.1A CN102492242B (en) | 2011-12-06 | 2011-12-06 | Polyvinyl chloride (PVC) wood-plastic board and preparation method thereof |
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| CN201110400900.1A CN102492242B (en) | 2011-12-06 | 2011-12-06 | Polyvinyl chloride (PVC) wood-plastic board and preparation method thereof |
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| CN102492242A CN102492242A (en) | 2012-06-13 |
| CN102492242B true CN102492242B (en) | 2014-03-05 |
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| CN109720021B (en) * | 2018-12-12 | 2021-07-09 | 广东佳居乐厨房科技有限公司 | Preparation process of environment-friendly cabinet board |
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Address after: Yue Walled Village Yiyuan County town of Shandong city of Zibo province 256102 Patentee after: Shandong Botuo New Material Technology Co., Ltd Address before: Yue Walled Village Yiyuan County town of Shandong city of Zibo province 256102 Patentee before: Shandong Po Extension Plastics Co., Ltd. |
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