CN102492305A - Formulation for preparing wood-plastic composite material from papermaking solid wastes and method thereof - Google Patents

Formulation for preparing wood-plastic composite material from papermaking solid wastes and method thereof Download PDF

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Publication number
CN102492305A
CN102492305A CN2011103948820A CN201110394882A CN102492305A CN 102492305 A CN102492305 A CN 102492305A CN 2011103948820 A CN2011103948820 A CN 2011103948820A CN 201110394882 A CN201110394882 A CN 201110394882A CN 102492305 A CN102492305 A CN 102492305A
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solid waste
papermaking solid
plastic composite
papermaking
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CN102492305B (en
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蔡红珍
高巧春
吴剑
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Shandong University of Technology
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Shandong University of Technology
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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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • 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
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • 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

Abstract

The invention belongs to the technical field of composite materials and particularly relates to a formulation for preparing a wood-plastic composite material from papermaking solid wastes. The formulation is characterized by being made from the following raw materials in parts by weight: 40-70 parts of papermaking solid wastes, 30-60 parts of recycled plastics, 0.8-3 parts of coupling agent, 3-5 parts of Ca-Zn composite stabilizer and 0.6-6 parts of lubricating agent. According to the formulation for preparing the wood-plastic composite material from the papermaking solid wastes, the papermaking solid wastes and the recycled plastics are taken as main raw materials, so that the cost is low, the formulation is beneficial to environmental protection, and the timber resources are saved.

Description

Utilize the papermaking solid waste to prepare the prescription and the method thereof of wood plastic composite
Technical field
The invention belongs to technical field of composite materials, be specifically related to a kind of method of utilizing the papermaking solid waste to prepare matrix material.
Background technology
At present, on the one hand, the aggregate consumption of China's paper industry occupies the third place in the world, in paper-making process, produces a large amount of waste sludge from paper mill, and the environmental influence that these waste residues brought becomes increasingly conspicuous, and various ecological problems of the consequent and social concern also highlight gradually.On the other hand, along with the development of China Plastics Industry great-leap-forward, waste or used plastics is more and more serious to " white pollution " of environment, inevitably will be in the face of the recovery of waste or used plastics and the problem of comprehensive utilization.On the one hand, current again, timber resources is tired, and the building materials demand is huge, is the limited timber resources of protection China, must the suitable substitute of exploitation.
Wood plastic composite is meant that with biomass powder (wood powder, agricultural stalk powder etc.) be packing material; Use means such as filling remodeling or polymer chemistry; With thermoplastics fusion, kneading, mixing; Extrude through HTHP again, cool off and a kind of reversible quality matetrial that follows bad utilization of machine-shaping.The dual nature of these composite material concurrent plastics and timber has the advantage such as water-fast, anticorrosion, disease and insect resistance, easy coloring of plastics, and xyloid sense organ is more arranged, and can cut as timber, cuts, bores, follows closely, secondary processing such as plane.Be widely used in industries such as building, furniture, gardens, logistics, traffic and shipping vehicle.
Through retrieval to existing wooden molding technology; One of main raw material of wood plastic composite is biomass powder (wood powder, an agricultural stalk powder etc.); Along with wood is moulded the continuous development of industry, the biomass powder will be in great demand gradually, so production cost also will raise; In order to reduce production costs, can the papermaking solid waste to be applied to wood and to mould production.
Summary of the invention
The object of the invention is exactly to utilize problem again for what solve waste sludge from paper mill and waste or used plastics; The protection biomass resource; A kind of prescription and the method thereof that can utilize waste sludge from paper mill and waste or used plastics to produce wood plastic composite is provided, will through pulverizing with sorting after the papermaking solid waste as starting material, replacement biomass powder is used for the production of wood plastic composite; Papermaking solid waste and thermoplastics, coupling agent, lubricant etc. are mixed; Mixing, granulation and extrusion moulding obtain wood plastic composite, select nontoxic auxiliary agent for use in the preparation process, reach environmental requirement.
The object of the invention is realized through following proposal:
A kind of prescription that utilizes the papermaking solid waste to prepare wood plastic composite is characterized in that, comprises the raw material of following parts by weight:
Figure BDA0000115507580000021
Said papermaking solid waste is the commercial goods, on market, is easy to obtain.It generally includes get the raw materials ready white clay, wastewater treatment mud and secondary stock between waste residue, alkali recovery vehicle of raw material in the primary slurry production and utilizes the deinked sludge that produces in the process, screening waste residue etc.(" China's papermaking solid waste is handled present situation and trend " Tang Zhichao " Chinese paper industry " the 31st volume 6-10 page or leaf in September, 2010 the 18th phase has detailed description to this.)
Said recovery plastics refer in purposes such as civilian, industry, the plastics that used and finally eliminated or replace and made through the discarded goods that clean and pulverize.The recovery plastics that the present invention uses are the commercial goods.
Among the present invention, described papermaking solid waste is the 60-80 order through pulverized particles, and water cut is less than 2%; Polyolefins plastics such as described recovery plastics preferably polyethylene, Vestolen PP 7052; Described coupling agent is the EMA anhydride copolymer, proportion 0.940g/cm 3, melting index 25g/10min, 108 ℃ of fusing points; Described calcium-zinc composite stabilizing agent is calcium stearate and Zinic stearas one package stabilizer, and wherein the mol ratio of calcium stearate and Zinic stearas is 2: 1; Described lubricant is the fatty acid ester mixture, and outward appearance is a saccharoid, 67-77 ℃ of drippage point, proportion 1.005g/cm 3
The tinting material of technology amount can also be included in the present invention's prescription, chromatic wood-plastic products can be obtained like this.
A kind of method of utilizing the papermaking solid waste to prepare wood plastic composite is characterized in that, comprises the steps:
1) by weight proportion papermaking solid waste particle 40-70 part, recovery plastic grain 30-60 part, coupling agent 0.8-2 part, calcium-zinc composite stabilizing agent 3-5 part and lubricant 0.6-6 part are added high-speed mixer and mixing; Mixing temperature is 105 ℃-110 ℃, and mixing time is 15-20 minute;
2) raw materials mixed is added parallel double-screw extruder and carry out mixing granulator; Forcing machine main frame temperature is between 165 ℃-180 ℃, and rotating speed is 60-80 rev/min, and the feeding machine rotating speed is 8-10 rev/min; Extrusion machine fused mass pressure 3-8MPa; 180 ℃ of head temperatures, extruded velocity 300Kg/h extrudes the back pelletizing;
3) the Wood-plastic material particle after the granulation is joined the conical double screw extruder extrusion moulding; Extruder temperature is between 155 ℃-170 ℃; Rotating speed is 40-50 rev/min, and the feeding machine rotating speed is 4-5 rev/min, 155 ℃ of head temperatures; Extruded velocity 800mm/h extrudes back typing cooling and can obtain wood plastic composite.
The mould of installing on the conical double screw extruder is different, and the material section that obtains is just different, selects mould as required.
The wood plastic composite that present method is produced be with papermaking solid waste particle, to reclaim plastics (Vilaterm) be main raw material; Through adding various functional agents; Granulation in parallel double-screw extruder, extrusion moulding in conical double screw extruder then, it has following characteristics:
(1) one of product main raw material is the papermaking solid waste, wood fibre is required low, and what can fully solve the papermaking solid waste utilizes problem again.
(2) product is that smooth surface is smooth, can carry out processing such as wire drawing, sand milling, embossing.
(3) cross section structure of product is evenly fine and close, and the defective of no timber-work is like knot, diagonal lamination etc.
(4) product has good physical and mechanical property, water-fast, acid and alkali-resistance.
(5) product can add various tinting materials, processes colour according to demand.
(6) the product workability is good, can follow closely, bores, saws, digs, bonding etc.
(7) product can be recycled, and the life-span is long, and cost performance is high.
Said material and goods thereof have the advantage of timber and plastics concurrently, can be widely used in industries such as building, industry, gardens, transportation, packing.
One of raw material that present method adopted is that the papermaking solid waste is one of three wastes of domestic paper industry, and two of raw material is to reclaim plastics, and two big main raws all are waste and scraps; Account for 90% of starting material total amount; Cheap, and help protecting environment, practice thrift timber resources.The auxiliary agent that present method adopted is most of for nontoxic product, and is very little to human body and environmental hazard in material produce and use.
Embodiment
Embodiment 1-3: prescription (unit: weight part)
Embodiment 1 Embodiment 2 Embodiment 3
Papermaking solid waste particle ?40 ?50 ?60
Reclaim plastics ?60 ?50 ?40
Coupling agent ?3 ?3 ?3
Calcium-zinc composite stabilizing agent ?3 ?3 ?3
Lubricant ?1.5 ?1.5 ?1.5
Wherein, reclaim plastics for reclaiming Vilaterm, papermaking solid waste grain graininess is the 60-80 order, and it is dried in drying baker earlier, and moisture content is below 2%.
Embodiment 4: method for making
1) prescription according to embodiment 1-3 adds the high mixer mixing with papermaking solid waste particle, plastic grain, coupling agent, calcium-zinc composite stabilizing agent and lubricant etc., and mixing temperature is 105 ℃, mixes 15 minutes.
2) raw materials mixed is added parallel double-screw extruder and carry out mixing granulator, forcing machine main frame temperature is at 165 ℃, 170 ℃, 170 ℃, 180 ℃, and rotating speed is 60 rev/mins; The feeding machine rotating speed is 8 rev/mins; Extrusion machine fused mass pressure 3-8MPa, 180 ℃ of head temperatures are extruded the back pelletizing.
3) the Wood-plastic material particle after the granulation is joined the conical double screw extruder extrusion moulding, extruder temperature is 40 rev/mins at 155 ℃, 160 ℃, 165 ℃, 155 ℃ rotating speeds, and the feeding machine rotating speed is 4 rev/mins, extrudes back typing cooling.
Change the papermaking solid waste in the proportioning into powdered rice hulls and compare test.
The flexural strength of implementing 1-3 is following:
Figure BDA0000115507580000051
Hence one can see that, the impurity component in the papermaking solid waste influenced itself and poly compound, but the amplitude that intensity reduces is little, explains that the papermaking solid waste can prepare wood plastic composite as filler as vegetable fibres such as rice husks.

Claims (4)

1. a prescription that utilizes the papermaking solid waste to prepare wood plastic composite is characterized in that, is made up of the raw material of following parts by weight:
Figure FDA0000115507570000011
2. the prescription that utilizes the papermaking solid waste to prepare wood plastic composite according to claim 1 is characterized in that, described papermaking solid waste is the 60-80 order through pulverized particles, and water cut is less than 2%; Described recovery plastics are polyolefins plastics; Described coupling agent is the EMA anhydride copolymer, proportion 0.940g/cm 3, melting index 25g/10min, 108 ℃ of fusing points; Described calcium-zinc composite stabilizing agent is calcium stearate and Zinic stearas one package stabilizer, and wherein the mol ratio of calcium stearate and Zinic stearas is 2: 1; Described lubricant is the fatty acid ester mixture, and outward appearance is a saccharoid, 67-77 ℃ of drippage point, proportion 1.005g/cm 3
3. the prescription that utilizes the papermaking solid waste to prepare wood plastic composite according to claim 1 is characterized in that, also includes tinting material.
4. a method of utilizing the papermaking solid waste to prepare wood plastic composite is characterized in that, comprises the steps:
1) by weight proportion papermaking solid waste particle 40-70 part, recovery plastic grain 30-60 part, coupling agent 0.8-2 part, calcium-zinc composite stabilizing agent 3-5 part and lubricant 0.6-6 part are added high-speed mixer and mixing; Mixing temperature is 105 ℃-110 ℃, and mixing time is 15-20 minute;
2) raw materials mixed is added parallel double-screw extruder and carry out mixing granulator; Forcing machine main frame temperature is between 165 ℃-180 ℃, and rotating speed is 60-80 rev/min, and the feeding machine rotating speed is 8-10 rev/min; Extrusion machine fused mass pressure 3-8M Pa; 180 ℃ of head temperatures, extruded velocity 300Kg/h extrudes the back pelletizing;
3) the Wood-plastic material particle after the granulation is joined the conical double screw extruder extrusion moulding; Extruder temperature is between 155 ℃-170 ℃; Rotating speed is 40-50 rev/min, and the feeding machine rotating speed is 4-5 rev/min, 155 ℃ of head temperatures; Extruded velocity 800mm/h extrudes back typing cooling and can obtain wood plastic composite.
CN201110394882.0A 2011-12-02 2011-12-02 Formula for preparing wood-plastic composite material from papermaking solid wastes and method thereof Active CN102492305B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103275377A (en) * 2013-06-04 2013-09-04 汕头保税区联通工业有限公司 Easy-to-tear plastic film material and preparation technology thereof
CN103625005A (en) * 2013-11-26 2014-03-12 马鞍山市金环冶金电子有限公司 Method for manufacturing wood fiber composite protective tube
CN104419213A (en) * 2013-08-19 2015-03-18 宁波天劲新材料有限公司 Method for producing plastic filling master batch by using paper sludge
CN104650606A (en) * 2015-03-23 2015-05-27 山东鸿源新材料有限公司 Anaerobic outdoor landscape material and preparation method thereof
CN105400090A (en) * 2014-09-05 2016-03-16 芬欧汇川集团 Composite material
CN106832983A (en) * 2016-10-26 2017-06-13 梁靖偊 Composite and preparation method thereof is prepared using rubbish
CN108976600A (en) * 2018-07-25 2018-12-11 山东理工大学 A kind of charcoal/PP composite material and preparation method thereof
CN109503988A (en) * 2018-11-07 2019-03-22 上海昶法新材料有限公司 A kind of papermaking by-product/polyvinyl chloride composite materials and preparation method thereof
CN109749194A (en) * 2018-12-20 2019-05-14 上海昶法新材料有限公司 A kind of enhanced PE Wood-plastic composite section bar and preparation method thereof
CN109762268A (en) * 2018-12-29 2019-05-17 上海昶法新材料有限公司 A kind of papermaking by-product reinforced polyvinyl chloride material and preparation method thereof
CN109762227A (en) * 2018-12-20 2019-05-17 上海昶法新材料有限公司 A kind of papermaking waste/PE flame retardant composite material and preparation method thereof
CN109762267A (en) * 2018-12-20 2019-05-17 上海昶法新材料有限公司 A kind of papermaking waste/PVC composite material

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CN101974240A (en) * 2010-11-02 2011-02-16 苏州市科创聚合物有限公司 Special wood-plastic material for extrusion plates for replacing solid wood plates
CN102250482A (en) * 2011-06-08 2011-11-23 常州工程职业技术学院 Improved wood-plastic composite material and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN101974240A (en) * 2010-11-02 2011-02-16 苏州市科创聚合物有限公司 Special wood-plastic material for extrusion plates for replacing solid wood plates
CN102250482A (en) * 2011-06-08 2011-11-23 常州工程职业技术学院 Improved wood-plastic composite material and preparation method thereof

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103275377A (en) * 2013-06-04 2013-09-04 汕头保税区联通工业有限公司 Easy-to-tear plastic film material and preparation technology thereof
CN103275377B (en) * 2013-06-04 2014-04-30 汕头保税区联通工业有限公司 Easy-to-tear plastic film material and preparation technology thereof
CN104419213A (en) * 2013-08-19 2015-03-18 宁波天劲新材料有限公司 Method for producing plastic filling master batch by using paper sludge
CN103625005A (en) * 2013-11-26 2014-03-12 马鞍山市金环冶金电子有限公司 Method for manufacturing wood fiber composite protective tube
CN105400090A (en) * 2014-09-05 2016-03-16 芬欧汇川集团 Composite material
CN104650606A (en) * 2015-03-23 2015-05-27 山东鸿源新材料有限公司 Anaerobic outdoor landscape material and preparation method thereof
CN106832983A (en) * 2016-10-26 2017-06-13 梁靖偊 Composite and preparation method thereof is prepared using rubbish
CN108976600A (en) * 2018-07-25 2018-12-11 山东理工大学 A kind of charcoal/PP composite material and preparation method thereof
CN109503988A (en) * 2018-11-07 2019-03-22 上海昶法新材料有限公司 A kind of papermaking by-product/polyvinyl chloride composite materials and preparation method thereof
CN109749194A (en) * 2018-12-20 2019-05-14 上海昶法新材料有限公司 A kind of enhanced PE Wood-plastic composite section bar and preparation method thereof
CN109762227A (en) * 2018-12-20 2019-05-17 上海昶法新材料有限公司 A kind of papermaking waste/PE flame retardant composite material and preparation method thereof
CN109762267A (en) * 2018-12-20 2019-05-17 上海昶法新材料有限公司 A kind of papermaking waste/PVC composite material
CN109762267B (en) * 2018-12-20 2021-09-03 上海昶法新材料有限公司 Papermaking waste/PVC composite material
CN109762268A (en) * 2018-12-29 2019-05-17 上海昶法新材料有限公司 A kind of papermaking by-product reinforced polyvinyl chloride material and preparation method thereof

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Inventor after: Cai Hongzhen

Inventor after: Gao Qiaochun

Inventor after: Bai Xueyuan

Inventor after: Yi Weiming

Inventor before: Cai Hongzhen

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