CN102181167B - Amino mold reinforcement polyvinyl chloride (PVC) base wood plastics composite and preparation method thereof - Google Patents
Amino mold reinforcement polyvinyl chloride (PVC) base wood plastics composite and preparation method thereof Download PDFInfo
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- CN102181167B CN102181167B CN 201110093725 CN201110093725A CN102181167B CN 102181167 B CN102181167 B CN 102181167B CN 201110093725 CN201110093725 CN 201110093725 CN 201110093725 A CN201110093725 A CN 201110093725A CN 102181167 B CN102181167 B CN 102181167B
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Abstract
The invention discloses an amino mold reinforcement polyvinyl chloride (PVC) base wood plastics composite. The composite is prepared from 60 to 75 weight parts of wood powder, 3 to 7 weight parts of reinforcing agent amino mold resin, 1 to 5 weight parts of interfacial compatibilizer, 10 to 30 weight parts of plastic resin, 1 to 3 weight parts of lubricant and 1 to 5 weight parts of other functional aid. The preparation method comprises the following steps of degreasing and drying wood powder, premixing the reinforcing agent amino mold resin and the dried wood powder, mixing in a high-speed mixing machine to obtain a mixture, and mixing and plasticizing in a double-roll plasticator and then performing compression molding. The mechanical properties, such as the tensile strength and impact strength, and performance, such as waster resistance, expansibility and the like of the prepared wood plastics composite are obviously superior to those of the conventional product, the composite is molded by a hot press mold, the preparation process is simple, and the cost reduction is facilitated.
Description
Technical field
The invention belongs to the wood plastic composite technical field, specifically relate to a kind of amino mould Reinforced PVC base wood-plastic composite material and preparation method thereof.
Background technology
Wood plastic composite (Wood Plastics Composite) is compound by wood powder and thermoplastic polyester, has new structure and a type material of Good All-around Property by processes moulding such as hot pressing.The main raw material of wood plastic composite is agriculture and forestry organic waste material and waste or used plastics, and its product mainly is used as the substitute of timber.The exploitation wood plastic composite for the pressure that is becoming tight waste ' s reclamation, environment protection and alleviation natural timber day all tool be of great significance, thereby be subject to global extensive attention.Wood plastic composite can take full advantage of and reclaim the discarded timber such as timber, clout, wood chip, increases substantially the utilization ratio of natural timber, and the wood-plastic products of producing on the other hand also can reclaim fully, meets national circular economy policy.Wood plastic composite adopts the hot pressing die moulding, makes it in actual production, compares with traditional technology, can simplify production technique, is conducive to the benign development of enterprise.
For example, the patent disclosure of publication number CN101864143A a kind of material special for wood-like amino film plastics, it adopts amino mould resin, cooperate Mierocrystalline cellulose and other auxiliary agent to mediate, behind pulverizing, ball milling, obtain for the compression moulding Wood-like composite material, has the material hardness height, the advantages such as scratch resistant, low price; But since used amino mould resin be thermosetting resin as matrix resin, prepared product can not recycling.The patent of publication number CN101629022 then is to utilize the carbon-carbon double bond of modification of aramid fiber surface and silylation and polyolefine to form chemical bond with wood powder, thereby effectively strengthened the interface binding power of matrix material, so that the mechanical property of prepared aramid fiber enhanced wood-plastic composite material is good, but the modification of aramid fiber price is higher, suitable increase production cost.The patent disclosure of publication number CN101724190A a kind of the asbestos thermoplastic base wood and plastic composite material and the preparation methods that strengthen, obtained equally certain effect.The patent disclosure of publication number CN101982488A a kind of wood plastic composite take non-woven as strongthener and preparation method thereof, the preparation method has the advantages such as technique is simple, high strength.
Constantly widen continuous progress with the machine-shaping technology along with the wood plastic composite Application Areas, particularly crucial now is how wood powder and plastics to be carried out modification, wood powder content and utilize different auxiliary agents to improve wood and mould interface compatibility, in the hope of obtaining the good goods of the performances such as tensile strength, shock strength, water resisting property and rate of expansion.
Summary of the invention
The objective of the invention is to the invention provides a kind of amino mould Reinforced PVC base wood-plastic composite material and preparation method thereof in order to solve the relatively poor problem of wood plastic composite mechanical property in the prior art.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of amino mould Reinforced PVC base wood-plastic composite material, and in 100 parts of weight parts, composition of raw materials is: 60～75 parts of wood powders; 3～7 parts of the amino mould resins of toughener; 1～5 part of interfacial compatibilizer; 10～30 parts of Plastic Resins; 1～3 part of lubricant; 1～5 part of other functional agent.Wherein, described wood powder is made through pulverizing drying by wood wastes such as sawdust, chips, wood chip, wood shavings, and its granularity is 30～100 orders; The amino mould resin of described toughener is urea-formaldehyde resin or melamine resin; Described interfacial compatibilizer is one or both mixtures of maleic anhydride graft polyvinyl chloride, titanate coupling agent, silane coupling agent; Described Plastic Resin is virgin material or the reclaimed materials of polyvinyl chloride; Described lubricant is one or both mixtures in PE wax, the methyl-silicone oil; Described other functional agent comprises stablizer, the softening agent of 1: 1 weight part, and stablizer is calcium-zinc composite stabilizing agent or barium zinc stabilizer; Softening agent is epoxy soybean oil or dioctyl phthalate (DOP).
A kind of preparation method of amino mould Reinforced PVC base wood-plastic composite material, may further comprise the steps: a, with wood powder in 120 ℃ of loft drier dry 4 hours, carry out degreasing and oven dry, make its water ratio less than 2%, in conjunction with water, increase the interface compatibility of wood powder and synthetic resin moulding compound superpolymer in the removal wood powder; B, according to proportioning the amino mould resin of toughener is joined together with dried wood powder and to carry out pre-mixing in the high-speed mixer, temperature is controlled at 30～35 ℃, and high-speed mixing 5min makes the mixture of wood powder and toughener amino mould resin; C, successively mixture, Plastic Resin, interfacial compatibilizer, lubricant, other functional agent of the amino mould resin of wood powder and toughener are joined in the high-speed mixer with heating function according to proportioning, mix, make compound, temperature is controlled at 70～80 ℃, high-speed mixing 15～20min; D, with compound place 145～150 ℃ twin-roll plastic mixing mill mix the plasticizing 5～10min, in 173～180 ℃ of compression moldings, make described amino mould Reinforced PVC base wood-plastic composite material through thermocompressor.
The wood plastic composite that the present invention makes comprises that aspect mechanical property tensile strength and shock strength and the performances such as water resisting property and rate of expansion obviously are better than currently available products, adopts the hot pressing die moulding, and manufacture craft is simple, is conducive to reduce production costs.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1: a kind of amino mould Reinforced PVC base wood-plastic composite material, and in 100 parts of weight parts, composition of raw materials is:
The preparation method of amino mould Reinforced PVC base wood-plastic composite material, may further comprise the steps: a, with wood powder in 120 ℃ of loft drier dry 4 hours, carry out degreasing and oven dry, make its water ratio less than 2%, in conjunction with water, increase the interface compatibility of wood powder and synthetic resin moulding compound superpolymer in the removal wood powder; B, according to proportioning the amino mould resin of toughener is joined together with dried wood powder and to carry out pre-mixing in the high-speed mixer, temperature is controlled at 30～35 ℃, and high-speed mixing 5min makes the mixture of wood powder and toughener amino mould resin; C, successively mixture, Plastic Resin, interfacial compatibilizer, lubricant, other functional agent of the amino mould resin of wood powder and toughener are joined in the high-speed mixer with heating function according to proportioning, mix, make compound, temperature is controlled at 70～80 ℃, high-speed mixing 15～20min; D, with compound place 145～150 ℃ twin-roll plastic mixing mill mix the plasticizing 5～10min, in 173～180 ℃ of compression moldings, make described amino mould Reinforced PVC base wood-plastic composite material through thermocompressor.
By above prescription and the prepared amino mould Reinforced PVC base wood-plastic composite material of processing condition, its tensile strength is 17.9Mpa after tested, and the socle girder unnotched impact strength is 14.54KJ/m
2, the 24h water-intake rate is 1.1%, expansion rate of water absorption is 0.67%.
Embodiment 2: a kind of amino mould Reinforced PVC base wood-plastic composite material, and in 100 parts of weight parts, composition of raw materials is:
The preparation method is referring to embodiment 1, and by above prescription and the prepared amino mould Reinforced PVC base wood-plastic composite material of processing condition, its tensile strength is 18.7Mpa after tested, and the socle girder unnotched impact strength is 15.65KJ/m
2, the 24h water-intake rate is 1.0%, expansion rate of water absorption is 0.66%.
Embodiment 3: a kind of amino mould Reinforced PVC base wood-plastic composite material, and in 100 parts of weight parts, composition of raw materials is:
The preparation method is referring to embodiment 1, and by above prescription and the prepared amino mould Reinforced PVC base wood-plastic composite material of processing condition, its tensile strength is 15.9Mpa after tested, and the socle girder unnotched impact strength is 15.44KJ/m
2, the 24h water-intake rate is 1.1%, expansion rate of water absorption is 0.77%.
Embodiment 4: a kind of amino mould Reinforced PVC base wood-plastic composite material, and in 100 parts of weight parts, composition of raw materials is:
The preparation method is referring to embodiment 1, and by above prescription and the prepared amino mould Reinforced PVC base wood-plastic composite material of processing condition, its tensile strength is 17.9Mpa after tested, and the socle girder unnotched impact strength is 14.85KJ/m
2, the 24h water-intake rate is 1.3%, expansion rate of water absorption is 0.77%.
Embodiment 5: a kind of amino mould Reinforced PVC base wood-plastic composite material, and in 100 parts of weight parts, composition of raw materials is:
The preparation method is referring to embodiment 1, and by above prescription and the prepared amino mould Reinforced PVC base wood-plastic composite material of processing condition, its tensile strength is 14.9Mpa after tested, and the socle girder unnotched impact strength is 15.65KJ/m
2, the 24h water-intake rate is 1.5%, expansion rate of water absorption is 0.87%.
Example 1～5 preparation sample is carried out performance test, and test institute accepted standard: tensile strength adopts GB/T1040.1-2006, and the socle girder unnotched impact strength adopts GB/T1843-2008, and water-intake rate adopts the ASTM570 test.
At last, should be pointed out that above embodiment only is the more representational example of the present invention.Obviously, technical scheme of the present invention is not limited to above-described embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (7)
1. an amino mould Reinforced PVC base wood-plastic composite material is characterized in that composition of raw materials is in 100 parts of weight parts: 60～75 parts of wood powders; 3～7 parts of the amino mould resins of toughener; 1～5 part of interfacial compatibilizer; 10～30 parts of Plastic Resins; 1～3 part of lubricant; 1～5 part of other functional agent; Described Plastic Resin is virgin material or the reclaimed materials of polyvinyl chloride.
2. a kind of amino mould Reinforced PVC base wood-plastic composite material according to claim 1 is characterized in that: described wood powder is made through pulverizing drying by sawdust, chips, wood chip, wood shavings wood wastes, and its granularity is 30～100 orders.
3. a kind of amino mould Reinforced PVC base wood-plastic composite material according to claim 1 is characterized in that: the amino mould resin of described toughener is urea-formaldehyde resin or melamine resin.
4. a kind of amino mould Reinforced PVC base wood-plastic composite material according to claim 1, it is characterized in that: described interfacial compatibilizer is one or both mixtures of maleic anhydride graft polyvinyl chloride, titanate coupling agent, silane coupling agent.
5. a kind of amino mould Reinforced PVC base wood-plastic composite material according to claim 1, it is characterized in that: described lubricant is one or both mixtures in PE wax, the methyl-silicone oil.
6. a kind of amino mould Reinforced PVC base wood-plastic composite material according to claim 1, it is characterized in that: described other functional agent comprises stablizer, the softening agent of 1: 1 weight part, stablizer is calcium-zinc composite stabilizing agent or barium zinc stabilizer; Softening agent is epoxy soybean oil or dioctyl phthalate (DOP).
7. the preparation method of described a kind of amino mould Reinforced PVC base wood-plastic composite material according to claim 1-6, it is characterized in that described preparation method may further comprise the steps: a, with wood powder in 120 ℃ of loft drier dry 4 hours, carry out degreasing and oven dry, make its water ratio less than 2%, remove in the wood powder in conjunction with water, increase the interface compatibility of wood powder and synthetic resin moulding compound superpolymer; B, according to proportioning the amino mould resin of toughener is joined together with dried wood powder and to carry out pre-mixing in the high-speed mixer, temperature is controlled at 30～35 ℃, and high-speed mixing 5min makes the mixture of wood powder and toughener amino mould resin; C, successively mixture, Plastic Resin, interfacial compatibilizer, lubricant, other functional agent of the amino mould resin of wood powder and toughener are joined in the high-speed mixer with heating function according to proportioning, mix, make compound, temperature is controlled at 70～80 ℃, high-speed mixing 15～20min; D, with compound place 145～150 ℃ twin-roll plastic mixing mill mix the plasticizing 5～10min, in 173～180 ℃ of compression moldings, make described amino mould Reinforced PVC base wood-plastic composite material through thermocompressor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110093725 CN102181167B (en) | 2011-04-14 | 2011-04-14 | Amino mold reinforcement polyvinyl chloride (PVC) base wood plastics composite and preparation method thereof |
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| CN 201110093725 CN102181167B (en) | 2011-04-14 | 2011-04-14 | Amino mold reinforcement polyvinyl chloride (PVC) base wood plastics composite and preparation method thereof |
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| CN102181167B true CN102181167B (en) | 2013-01-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308944A (en) * | 2014-10-13 | 2015-01-28 | 苏州东邦家具有限公司 | Mildew-proof and bacterial light solid wood board furniture |
| CN105038036A (en) * | 2015-08-26 | 2015-11-11 | 安徽永高塑业发展有限公司 | Impact-resistant and press-resistant biaxial orientation polyvinyl chloride pipe for water supply |
| CN107214808B (en) * | 2017-06-15 | 2019-06-07 | 浙江润格木业科技有限公司 | Composite wood and its manufacturing method |
| CN110172257A (en) * | 2019-03-28 | 2019-08-27 | 贵州森塑宇木塑有限公司 | A kind of corrosion resistant fiber plate |
| CN112809951B (en) * | 2020-12-22 | 2022-09-16 | 南京百美科技新材料有限公司 | Preparation process of injection-grade high-impact amino mold material |
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| CN1125738A (en) * | 1994-12-28 | 1996-07-03 | 濮阳天安企业集团 | Decorative material and manufacturing method thereof |
| CN100999610A (en) * | 2006-01-12 | 2007-07-18 | 中国林业科学研究院木材工业研究所 | Wood plastic composite material composection and formed board thereof and their preparation process |
| CN101024709A (en) * | 2007-02-06 | 2007-08-29 | 南京航空航天大学 | Moulding-grade wood-plastic composite and processing process |
| CN101333321A (en) * | 2008-07-31 | 2008-12-31 | 福建师范大学 | Method for preparing PVC wood-plastic composite material using graft copolymer as compatilizer |
| CN101747644A (en) * | 2008-12-16 | 2010-06-23 | 金发科技股份有限公司 | Plant powder modified thermoplastic wood-plastic composite and preparation method and application |
| CN101864126A (en) * | 2010-06-28 | 2010-10-20 | 王朝煌 | Plastic mold and production method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE528045C2 (en) * | 2004-02-23 | 2006-08-15 | Polygiene Ab | Use of a plastic composition to provide a surface with antivirus activity |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125738A (en) * | 1994-12-28 | 1996-07-03 | 濮阳天安企业集团 | Decorative material and manufacturing method thereof |
| CN100999610A (en) * | 2006-01-12 | 2007-07-18 | 中国林业科学研究院木材工业研究所 | Wood plastic composite material composection and formed board thereof and their preparation process |
| CN101024709A (en) * | 2007-02-06 | 2007-08-29 | 南京航空航天大学 | Moulding-grade wood-plastic composite and processing process |
| CN101333321A (en) * | 2008-07-31 | 2008-12-31 | 福建师范大学 | Method for preparing PVC wood-plastic composite material using graft copolymer as compatilizer |
| CN101747644A (en) * | 2008-12-16 | 2010-06-23 | 金发科技股份有限公司 | Plant powder modified thermoplastic wood-plastic composite and preparation method and application |
| CN101864126A (en) * | 2010-06-28 | 2010-10-20 | 王朝煌 | Plastic mold and production method thereof |
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Application publication date: 20110914 Assignee: Zhejiang Zhengyi Toy Co., Ltd. Assignor: Zhejiang Gongshang University Contract record no.: 2013330000021 Denomination of invention: Amino mold reinforcement polyvinyl chloride (PVC) base wood plastics composite and preparation method thereof Granted publication date: 20130102 License type: Exclusive License Record date: 20130304 |
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