CN109762267A - A kind of papermaking waste/PVC composite material - Google Patents
A kind of papermaking waste/PVC composite material Download PDFInfo
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- CN109762267A CN109762267A CN201811565421.3A CN201811565421A CN109762267A CN 109762267 A CN109762267 A CN 109762267A CN 201811565421 A CN201811565421 A CN 201811565421A CN 109762267 A CN109762267 A CN 109762267A
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- papermaking waste
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Abstract
The invention belongs to technical field of polymer composite materials, in particular to a kind of papermaking waste/PVC composite material.The papermaking waste/PVC composite material, in parts by weight, include following components: 50~120 parts of polyvinyl chloride resin, 50~120 parts of inorganic mineral, 5~40 parts of plant fiber, 5~40 parts of papermaking waste, 1~15 part of processing aid, 0.5~5 part of coupling agent, 1~8 part of heat stabilizer, 0.1~3 part of external lubricant.Compatibility in the papermaking waste/PVC composite material between each component is good, and excellent dispersibility and mobility make papermaking waste/PVC composite finished product have excellent processing performance.Further, since the reasonable addition of papermaking waste, reduces the papermaking waste/PVC composite material production cost, also, prepared papermaking waste/PVC composite material surface is smooth, intensity is high, to have good market prospects.
Description
Technical field
The invention belongs to technical field of polymer composite materials, in particular to a kind of papermaking waste/PVC composite material.
Background technique
PVC (polyvinyl chloride) based composites are added high mixed after adding various fillers and function additive by polyvinyl chloride resin
Machine mixing, using the molding polymer composite of melting extrusion.Currently, PVC base composite material is mainly used in interior and builds
Material field, such as indoor doors or windows, wallboard, floor.
However, in actual application, it is low, hot that existing PVC composite material often shows contraction distortion, intensity
The defects of stability is poor.
According to statistics, the papermaking waste presently more than 95% is still used as the waste of industrial slurrying, be concentrated after-combustion or
River is directly discharged into waste water.As it can be seen that the discharge of pulp-making waste-water not only waste of resource, while serious pollution environment again.Therefore, such as
What realizes the high-efficiency resource recycling of papermaking waste, is of great significance to the development and environmental protection of social economy.
In the prior art, plant fiber is added into PVC composite material, melt viscosity and product rigidity can be improved, but same
When also improve its difficulty of processing.Also, PVC belongs to hard brittle material, and impact strength is lower, easy embrittlement when by external impacts.For
Expand its application range, people often carry out toughening modifying to hard PVC with elastomer, however, after such modification can not
Reduce the rigidity of material itself with avoiding.In addition, how to improve the compatibility between filler and polymer is also this field research and development
Current one of the research hotspot of personnel.
Summary of the invention
The present invention is intended to provide a kind of completely new PVC (polyvinyl chloride) based composites, mainly by papermaking waste with
Polyvinyl chloride resin is combined, to realize the effective recycling of papermaking waste.Meanwhile PVC base provided by the present invention is compound
The mechanical property of material is substantially better than the mechanical property of existing PVC based composites available on the market.
Specifically, the present invention provides a kind of papermaking waste/PVC composite material, in parts by weight, it includes with the following group
Point:
It is smooth using the above surface for being formulated papermaking waste/PVC composite material obtained, and show excellent power
Learn performance.
Preferably, in above-mentioned papermaking waste/PVC composite material, the inorganic mineral be selected from it is following any or
It is a variety of: calcium carbonate, calcium sulfate, talcum powder, calcium silicates, montmorillonite.
Preferably, in above-mentioned papermaking waste/PVC composite material, the partial size of the plant fiber is 50~200 mesh.
It is further preferred that the plant fiber is selected from following any in above-mentioned papermaking waste/PVC composite material
Kind is a variety of: wood powder, bamboo powder, rice husk, agricultural crop straw.
Preferably, in above-mentioned papermaking waste/PVC composite material, the partial size of the papermaking waste is 50~2000
Mesh.
It is further preferred that the papermaking waste is selected from following in above-mentioned papermaking waste/PVC composite material
It is one or more: corruption slurry, screenings, wood skin, pulping waste liquor extract, siliceous white clay.
Preferably, in above-mentioned papermaking waste/PVC composite material, the processing aid is selected from following any or more
Kind: haloflex (CPE), acrylic rubber (ACM), ethylene-vinyl acetate copolymer (EVA), methyl methacrylate-
Butadiene-styrene copolymer (MBS), styrene-butadiene-styrene ternary block copolymer (SBS).
Preferably, in above-mentioned papermaking waste/PVC composite material, the coupling agent is selected from following any one or more:
Silane coupling agent, titanate coupling agent, aluminum-zirconium coupling agent.
Preferably, in above-mentioned papermaking waste/PVC composite material, the heat stabilizer is selected from following any or more
Kind: calcium-zinc composite stabilizing agent, lead system compound stabilizer, organic tin stabilizer, barium zinc compound stabilizer.
Preferably, in above-mentioned papermaking waste/PVC composite material, the external lubricant is stearic acid.
Meanwhile the present invention also provides the papermaking waste/PVC composite material preparation method, specifically include following
Step:
(1) various raw materials are proportionally weighed, firstly, plant fiber, papermaking waste, inorganic mineral, processing are helped
High-speed mixer is added in agent, coupling agent, when being warming up to 110 DEG C, heat stabilizer, polyvinyl chloride resin and external lubricant is added, sufficiently stirs
It mixes, when being warming up to 130 DEG C, mixed material is put into cooling in cold mixing pot, and be cooled to 30~50 DEG C, obtains just mixed material;
(2) it will just mix material to be added into open mill, and carry out heating blending, the machine-shaping at 140~190 DEG C, i.e.,
Obtain papermaking waste/PVC composite material sheet material.
(3) above sheet is implemented into multilayer folding, is then put into compression moulding in plate vulcanization machine die, temperature while hot
140~190 DEG C, 8~20MPa of pressure, 5~20min of hot pressing time, then it is cold-pressed sizing.
(4) universal sampling machine is used, the sheet material after cold pressing sizing is milled out into dumbbell shape, rectangle batten, it is spare, to measure power
Learn performance.
Papermaking waste provided by the present invention/PVC composite material has the advantages that
Compatibility in the papermaking waste/PVC composite material between each component is good, excellent dispersibility and flowing
Property make papermaking waste/PVC composite finished product have excellent processing performance.Further, since papermaking waste is reasonable
Addition, reduces the papermaking waste/PVC composite material production cost, also, prepared papermaking waste/PVC is multiple
The surface of condensation material is smooth, intensity is high, to have good market prospects.
Specific embodiment
The present invention is further elaborated With reference to embodiment, but the present invention is not limited to following embodiment party
Formula.
Embodiment 1
A kind of papermaking waste/PVC composite material includes in parts by weight following components: 100 parts of polyvinyl chloride resin, carbonic acid
100 parts of calcium, 20 parts of wood powder, 5 parts of papermaking waste, CPE10 parts, 2 parts of KH550 (silane coupling agent), rare earth calcium zinc stabilizer (calcium
Zinc composite stabilizer) 5 parts, 1 part of stearic acid.
Foundation is formulated above and the papermaking waste/PVC composite material is prepared according to the following steps:
(1) various raw materials are proportionally weighed, firstly, wood powder, papermaking waste, calcium carbonate, CPE, KH550 are added high
Fast blender when being warming up to 110 DEG C, is added rare earth calcium zinc stabilizer, polyvinyl chloride resin and external lubricant, is sufficiently stirred, is warming up to
At 130 DEG C, mixed material is put into cooling in cold mixing pot, and be cooled to 30~50 DEG C, obtains just mixed material;
(2) it will just mix material to be added into open mill, and carry out heating blending, the machine-shaping at 140~190 DEG C, i.e.,
Obtain papermaking waste/PVC composite material sheet material.
(3) above sheet is implemented into multilayer folding, is then put into compression moulding in plate vulcanization machine die, temperature while hot
140~190 DEG C, 8~20MPa of pressure, 5~20min of hot pressing time, then it is cold-pressed sizing.
(4) universal sampling machine is used, the sheet material after cold pressing sizing is milled out into dumbbell shape, rectangle batten, finally measures sample
Mechanical property, testing result is as shown in table 1.
Embodiment 2
A kind of papermaking waste/PVC composite material includes in parts by weight following components: 100 parts of polyvinyl chloride resin, carbonic acid
100 parts of calcium, 20 parts of wood powder, 10 parts of papermaking waste, CPE10 parts, 2 parts of KH550 (silane coupling agent), rare earth calcium zinc stabilizer
5 parts of (calcium-zinc composite stabilizing agent), 1 part of stearic acid.
Foundation is formulated above and the papermaking waste/PVC composite material is prepared according to the following steps:
(1) various raw materials are proportionally weighed, firstly, wood powder, papermaking waste, calcium carbonate, CPE, KH550 are added high
Fast blender when being warming up to 110 DEG C, is added rare earth calcium zinc stabilizer, polyvinyl chloride resin and external lubricant, is sufficiently stirred, is warming up to
At 130 DEG C, mixed material is put into cooling in cold mixing pot, and be cooled to 30~50 DEG C, obtains just mixed material;
(2) it will just mix material to be added into open mill, and carry out heating blending, the machine-shaping at 140~190 DEG C, i.e.,
Obtain papermaking waste/PVC composite material sheet material.
(3) above sheet is implemented into multilayer folding, is then put into compression moulding in plate vulcanization machine die, temperature while hot
140~190 DEG C, 8~20MPa of pressure, 5~20min of hot pressing time, then it is cold-pressed sizing.
(4) universal sampling machine is used, the sheet material after cold pressing sizing is milled out into dumbbell shape, rectangle batten, finally measures sample
Mechanical property, testing result is as shown in table 1.
Embodiment 3
A kind of papermaking waste/PVC composite material includes in parts by weight following components: 100 parts of polyvinyl chloride resin, carbonic acid
100 parts of calcium, 20 parts of wood powder, 15 parts of papermaking waste, CPE10 parts, 2 parts of KH550 (silane coupling agent), rare earth calcium zinc stabilizer
5 parts of (calcium-zinc composite stabilizing agent), 1 part of stearic acid.
Foundation is formulated above and the papermaking waste/PVC composite material is prepared according to the following steps:
(1) various raw materials are proportionally weighed, firstly, wood powder, papermaking waste, calcium carbonate, CPE, KH550 are added high
Fast blender when being warming up to 110 DEG C, is added rare earth calcium zinc stabilizer, polyvinyl chloride resin and external lubricant, is sufficiently stirred, is warming up to
At 130 DEG C, mixed material is put into cooling in cold mixing pot, and be cooled to 30~50 DEG C, obtains just mixed material;
(2) it will just mix material to be added into open mill, and carry out heating blending, the machine-shaping at 140~190 DEG C, i.e.,
Obtain papermaking waste/PVC composite material sheet material.
(3) above sheet is implemented into multilayer folding, is then put into compression moulding in plate vulcanization machine die, temperature while hot
140~190 DEG C, 8~20MPa of pressure, 5~20min of hot pressing time, then it is cold-pressed sizing.
(4) universal sampling machine is used, the sheet material after cold pressing sizing is milled out into dumbbell shape, rectangle batten, finally measures sample
Mechanical property, testing result is as shown in table 1.
Embodiment 4
A kind of papermaking waste/PVC composite material includes in parts by weight following components: 100 parts of polyvinyl chloride resin, carbonic acid
100 parts of calcium, 20 parts of wood powder, 20 parts of papermaking waste, CPE10 parts, 2 parts of KH550 (silane coupling agent), rare earth calcium zinc stabilizer
5 parts of (calcium-zinc composite stabilizing agent), 1 part of stearic acid.
Foundation is formulated above and the papermaking waste/PVC composite material is prepared according to the following steps:
(1) various raw materials are proportionally weighed, firstly, wood powder, papermaking waste, calcium carbonate, CPE, KH550 are added high
Fast blender when being warming up to 110 DEG C, is added rare earth calcium zinc stabilizer, polyvinyl chloride resin and external lubricant, is sufficiently stirred, is warming up to
At 130 DEG C, mixed material is put into cooling in cold mixing pot, and be cooled to 30~50 DEG C, obtains just mixed material;
(2) it will just mix material to be added into open mill, and carry out heating blending, the machine-shaping at 140~190 DEG C, i.e.,
Obtain papermaking waste/PVC composite material sheet material.
(3) above sheet is implemented into multilayer folding, is then put into compression moulding in plate vulcanization machine die, temperature while hot
140~190 DEG C, 8~20MPa of pressure, 5~20min of hot pressing time, then it is cold-pressed sizing.
(4) universal sampling machine is used, the sheet material after cold pressing sizing is milled out into dumbbell shape, rectangle batten, finally measures sample
Mechanical property, testing result is as shown in table 1.
Comparative example
A kind of papermaking waste/PVC composite material includes in parts by weight following components: 100 parts of polyvinyl chloride resin, carbonic acid
100 parts of calcium, 20 parts of wood powder, CPE10 parts, 2 parts of KH550 (silane coupling agent), rare earth calcium zinc stabilizer (calcium-zinc composite stabilizing agent) 5
Part, 1 part of stearic acid.
Foundation is formulated above and the papermaking waste/PVC composite material is prepared according to the following steps:
(1) various raw materials are proportionally weighed, firstly, high-speed mixer is added in wood powder, calcium carbonate, CPE, KH550, are risen
When temperature is to 110 DEG C, rare earth calcium zinc stabilizer, polyvinyl chloride resin and external lubricant is added, is sufficiently stirred, it, will when being warming up to 130 DEG C
Mixed material is put into cooling in cold mixing pot, and is cooled to 30~50 DEG C, obtains just mixed material;
(2) it will just mix material to be added into open mill, and carry out heating blending, the machine-shaping at 140~190 DEG C, i.e.,
Obtain papermaking waste/PVC composite material sheet material.
(3) above sheet is implemented into multilayer folding, is then put into compression moulding in plate vulcanization machine die, temperature while hot
140~190 DEG C, 8~20MPa of pressure, 5~20min of hot pressing time, then it is cold-pressed sizing.
(4) universal sampling machine is used, the sheet material after cold pressing sizing is milled out into dumbbell shape, rectangle batten, finally measures sample
Mechanical property, testing result is as shown in table 1.
The testing result of 1 sample main indicator of table
Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example | |
Tensile strength (MPa) | 33.1 | 34.6 | 36.4 | 32.2 | 30.6 |
Impact strength (KJ/m2) | 16.3 | 17.2 | 17.5 | 16.6 | 14.3 |
Density g/m3 | 0.94 | 0.93 | 0.93 | 0.92 | 0.94 |
It is analyzed by data it is found that papermaking waste provided by the present invention/PVC composite material tensile strength and impact
Intensity is significantly greater than the tensile strength and impact strength of comparative example;Therefore, the papermaking waste/PVC composite material
Finished product has excellent processing performance, to have good market prospects.
Specific embodiments of the present invention are described in detail above, but it is merely an example, the present invention is simultaneously unlimited
It is formed on particular embodiments described above.To those skilled in the art, any couple of present invention carries out equivalent modifications and
Substitution is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and
Modification, all should be contained within the scope of the invention.
Claims (10)
1. a kind of papermaking waste/PVC composite material, which is characterized in that include following components in parts by weight:
2. papermaking waste according to claim 1/PVC composite material, which is characterized in that the inorganic mineral is selected from
It is any one or more below: calcium carbonate, calcium sulfate, talcum powder, calcium silicates, montmorillonite.
3. papermaking waste according to claim 1/PVC composite material, which is characterized in that the partial size of the plant fiber
For 50~200 mesh.
4. papermaking waste according to claim 3/PVC composite material, which is characterized in that the plant fiber be selected from
Under it is any one or more: wood powder, bamboo powder, rice husk, agricultural crop straw.
5. papermaking waste according to claim 1/PVC composite material, which is characterized in that the grain of the papermaking waste
Diameter is 50~2000 mesh.
6. papermaking waste according to claim 5/PVC composite material, which is characterized in that the papermaking waste is selected from
It is any one or more below: corruption slurry, screenings, wood skin, pulping waste liquor extract, siliceous white clay.
7. papermaking waste according to claim 1/PVC composite material, which is characterized in that the processing aid be selected from
Under it is any one or more: haloflex, acrylic rubber, ethylene-vinyl acetate copolymer, methyl methacrylate-fourth
Diene-styrene copolymer, styrene-butadiene-styrene ternary block copolymer.
8. papermaking waste according to claim 1/PVC composite material, which is characterized in that the coupling agent is selected from following
It is any one or more: silane coupling agent, titanate coupling agent, aluminum-zirconium coupling agent.
9. papermaking waste according to claim 1/PVC composite material, which is characterized in that the heat stabilizer be selected from
Under it is any one or more: calcium-zinc composite stabilizing agent, lead system compound stabilizer, organic tin stabilizer, barium zinc compound stabilizer.
10. papermaking waste according to claim 1/PVC composite material, which is characterized in that the external lubricant is hard
Resin acid.
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CN201811565421.3A CN109762267B (en) | 2018-12-20 | 2018-12-20 | Papermaking waste/PVC composite material |
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CN201811565421.3A CN109762267B (en) | 2018-12-20 | 2018-12-20 | Papermaking waste/PVC composite material |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111269501A (en) * | 2020-02-12 | 2020-06-12 | 上海昶法新材料有限公司 | PVC micro-foaming section bar, raw material, preparation method and application thereof |
CN112961436A (en) * | 2021-03-03 | 2021-06-15 | 海南蓝岛环保产业股份有限公司 | Plastic product and preparation method thereof |
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CN102492305A (en) * | 2011-12-02 | 2012-06-13 | 山东理工大学 | Formulation for preparing wood-plastic composite material from papermaking solid wastes and method thereof |
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CN111269501A (en) * | 2020-02-12 | 2020-06-12 | 上海昶法新材料有限公司 | PVC micro-foaming section bar, raw material, preparation method and application thereof |
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CN112961436A (en) * | 2021-03-03 | 2021-06-15 | 海南蓝岛环保产业股份有限公司 | Plastic product and preparation method thereof |
CN112961436B (en) * | 2021-03-03 | 2023-04-07 | 海南蓝岛环保产业股份有限公司 | Plastic product and preparation method thereof |
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