CN108912528A - A kind of conduction cushion PVC modified material and preparation method thereof - Google Patents
A kind of conduction cushion PVC modified material and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
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- C08K2003/265—Calcium, strontium or barium carbonate
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Abstract
The present invention relates to PVC material technical fields, and in particular to a kind of conduction cushion PVC modified material and preparation method thereof, which includes the raw material of following parts by weight：80-120 parts of polyvinyl chloride resin, 60-110 parts of plasticizer, 10-15 parts of filler, 2-6 parts of stabilizer, 18-26 parts of conductive agent, 1-3 parts of toughener, 2-4 parts of liquid rubber, 0.8-1.6 parts of impact modifier, 0.8-1.6 parts of in-lubricant.PVC modified material excellent conductivity of the invention, environmental protection, and excellent shock resistance, toughness is preferable, and processing performance is excellent, is suitable for conductive cushion.
Description
Technical field
The present invention relates to PVC material technical fields, and in particular to a kind of conduction cushion PVC modified material and its preparation side
Method.
Background technique
Polyvinyl chloride (PVC) is one of earliest industrialization, widely used general-purpose thermoplastic plastic, it have light weight,
The advantages that intensity height, insulation, fire-retardant, corrosion-resistant, high comprehensive performance, extensive cheap and raw material sources；But there is also
Following disadvantage：1, poor toughness, easily embrittlement when being hit, therefore cannot act as structural material, in addition, the brittleness of polyvinyl chloride by
Temperature influence is very big, and general PVC product is -15 DEG C using lower limit, and flexible PVC is -30 DEG C using lower limit；2, thermal stability
Difference begins to decomposite HCl at 100 DEG C, and decomposition is rapider when being higher than 150 DEG C, and the melting temperature of PVC is about 210
℃；3, the viscosity of PVC is high, and mobility is very poor, limits its use to a certain extent.People are frequently with addition filler, bullet
The methods of property body, plasticizer, heat stabilizer, processing aid, heat-proof modifier and flow ability modifying agent improve the performance of PVC.
But existing conduction cushion PVC material is conductive can be poor the defects of, limits it to a certain extent
It uses.
Summary of the invention
In order to overcome shortcoming and defect existing in the prior art, the purpose of the present invention is to provide a kind of conductive cushions to use
PVC modified material, the PVC modified material excellent conductivity, environmental protection, and excellent shock resistance, toughness is preferable, and processing performance is excellent
It is good, it is suitable for conductive cushion.
A kind of preparation method another object of the present invention is to provide conductive cushion with PVC modified material, the preparation side
Method step is simple, convenient operation and control, and quality is stablized, and high production efficiency, production cost is low, can large-scale industrial production.
The purpose of the invention is achieved by the following technical solution：A kind of conduction cushion PVC modified material, including weigh as follows
Measure the raw material of part：
Preferably, the polyvinyl chloride resin is ethylene process polyvinyl chloride resin of the average degree of polymerization in 700-900.The present invention by using
Ethylene process polyvinyl chloride resin, and its average degree of polymerization of strict control, in 700-900, so that material plasticizing rate is fast, processing performance is good,
And thermal stability, heat-resistant deforming temperature, electric insulating quality, mechanical strength and resistance to ag(e)ing are excellent.
Preferably, the preparation method of the plasticizer is：The star-like polyester 20-40 of cage modle organic-silicon hybridization is weighed by weight
Part, 15-25 parts of 2-hydroxystearic acid glyceryl ester, 15-25 parts of diethylene glycol dibenzoate, 10-20 parts of epoxy aliphatic acid methyl ester,
Poly- hydroxypentanoic acid 20-30 parts, 15-25 parts of terephthalic acid (TPA), 10-20 parts of ricinoleic acid, 20-30 parts of diethylene glycol, polyvinyl alcohol
15-25 parts, 10-20 parts of xylitol, 5-15 parts of chitin, 8-12 parts of epoxidized soybean oil and 3-5 parts of carbonyl diamide, mixing, in
30-60min is stirred to react at a temperature of 250-350 DEG C to be made.
Plasticizer of the invention is by using poly- hydroxypentanoic acid, terephthalic acid (TPA) and ricinoleic acid and diethylene glycol, poly- second
Enol and xylitol carry out polyesterification reaction, mixed plant oil base plasticizer and polyester plasticizer, and with organic sila
Change star-like polyester, 2-hydroxystearic acid glyceryl ester, diethylene glycol dibenzoate, epoxy aliphatic acid methyl ester and epoxidized soybean oil etc.
Plasticizer is used in compounding, and plasticizer obtained is environment-protecting and non-poisonous, and plasticizing efficiency is high, and plasticization temperature is low, is capable of the soft of Reinforced PVC material
Toughness, elasticity and surface strength can be such that the mechanical property of polyvinyl chloride resin, especially impact resistance is significantly promoted, and have excellent
Flame retardancy, electrical insulating property, it is cold-resistant, heat-resisting, to photo-thermal stablize；Also have non-volatility, nonmigratory, with PVC compatibility it is good,
The characteristics of good resistance to persistence.
Preferably, the filler is that partial size changes at 1-10 μm and through silane coupling agent and maleic anhydride inoculated polypropylene
The processed precipitated calcium carbonate of property.
The present invention makees by using silane coupling agent and the precipitated calcium carbonate of maleic anhydride inoculated polypropylene modification
For filler, and its partial size is controlled at 1-10 μm, the compatibility with polyvinyl chloride resin can be improved, to improve the intensity of material.
Preferably, the preparation method of the stabilizer is：20-40 parts of epoxyoleic acid calcium, epoxyoleic acid are weighed by weight
20-40 parts of zinc, 10-30 parts of quinolone calcium salt, 10-30 parts of quinolone zinc salt, 10-20 parts of ricinoleic acid lanthanum, hydrophobic nano water
10-20 parts of talcum, 5-15 parts of zeolite, 15-25 parts of pentaerythrite benzol carbonate, 10-20 parts of phosphite ester, beta-diketon 5-15
Part, is modified titanium dioxide nanometer microballoons 8-12 parts hollow, 6-10 parts of modified nano calcium carbonate, 6-10 parts of modified hydroxylapatite
4-8 parts of molecular sieve, 4-8 parts of 1-phenyl-3-methyl-5-pyrazolones ketone, 3-7 parts of polysilazane, 1,3- dimethyl -6- semicarbazides are phonetic
1-3 parts and 1-2 parts of Malaysia acid imide mixing of pyridine, stir evenly obtained at a temperature of 40-50 DEG C.
The present invention, as rare-earth stabilizer, can make the initial coloring of PVC, long term thermal steady by using ricinoleic acid lanthanum
It is qualitative to increase, especially there is with calcium zinc heat stabilizer, pentaerythrite, beta-diketon etc. good synergistic effect, it is compound to make
With thermal stability, impact strength and the elongation at break that PVC can be improved.
For the present invention by using hydrophobic nanometer hydrotalcite, hydrophobic effect is good, good with organic solvent intersolubility, is used as PVC
The stabilizer of equal plastic processings, have the characteristics that be not easy to be precipitated, stablizing effect it is good, add hydrophobic nano water prepared by the present invention
Talcum can reduce the counter balance torque of PVC product, improve processing performance and weatherability, reduce cost.
The present invention introduces phenyl-carbonic acid ester group by using pentaerythrite benzol carbonate in pentaerythrite molecular structure
Group, that is, solve the problems, such as precipitation of the pentaerythrite in polyvinyl chloride resin, also greatly improve pentaerythrite as auxiliary heat stabilizer
Application performance.
The present invention has a large amount of hydroxyls by using hollow titanium dioxide nanometer microballoons, hollow titanium dioxide nanometer microballoons surface
Base can be used as polyol use, stabilizer as igelite processing good with organic solvent intersolubility, tool
Be not easy to be precipitated, stablizing effect it is good, and the bigger serface and pore volume of hollow titanium dioxide nanometer microballoons makes
It has very big adsorption capacity, can effectively be enriched with HCl, stabilizer is enable faster to play a role, to significantly improve steady
Determine agent effect.
For the present invention by using modified nano calcium carbonate, the modified nano calcium carbonate of addition plays reconciliation, collaboration rare earth
The effect of compound and calcium zinc-base stabilizer, activation needed for modified nanometer calcium carbonate reduces rare earth complex chloride ion
Can, its rate is improved, and displacement can occur with zinc chloride and react, reduces the hair that " zinc burning " phenomenon occurs in calcium zinc-base stabilizer
It is raw, while after carrying out grade separation ratio to modified nano calcium carbonate particle, its dispersibility is improved, itself and rare earth compound are enhanced
With the effect that is cross-linked with each other of calcium zinc-base stabilizer, whole performance is improved.
The present invention is by using modified hydroxylapatite, using containing Ca simultaneously in modified hydroxylapatite structure2+With
PO4 3-, and itself there is basic center abundant, the application performance of calcium-zinc combination heat stabilizer is effectively promoted, was both had to PVC
Good thermal stability, and there is excellent compatibility with PVC.
The present invention is by using modified molecular screen, stabilization as plastic processings such as PVCs good with organic solvent intersolubility
Agent, have the characteristics that be not easy to be precipitated, stablizing effect it is good.
The present invention goes compounding into calcium zinc heat stabilizer by using polysilazane, and as heat stabilizer, to PVC
Resin has good compatibility, has excellent long-term thermal stability and initial coloring, there is the good transparency.
Stabilizer of the invention is by using epoxyoleic acid calcium, epoxyoleic acid zinc, quinolone calcium salt and quinolone zinc salt group
The calcium zinc stabilizer of conjunction is as main stabilizer, then uses pentaerythrite benzol carbonate, phosphite ester, beta-diketon, ricinoleic acid
Lanthanum, hydrophobic nanometer hydrotalcite, zeolite, 1-phenyl-3-methyl-5-pyrazolones ketone, polysilazane, 1,3- dimethyl -6- amino
Urea pyrimidine and Malaysia acid imide are used in compounding as auxiliary stabilizer, with hollow titanium dioxide nanometer microballoons, modified Nano carbon
Sour calcium, modified hydroxylapatite and modified molecular screen have excellent heat steady polyvinyl chloride resin as filler, stabilizer obtained
Qualitative energy, initial coloration is light, and long-term thermal stability is good, and has good compatibility with polyvinyl chloride resin, moreover it is possible to improve polyvinyl chloride resin
High temperature resistance and weatherability；Production process is simple, and cost is relatively low, and safety and environmental protection.
Preferably, it is 2-10mm that the conductive agent, which is by fibre length, filament diameter is 5-9 μm of carbon fiber and diameter is
10-100nm, the carbon nanotube that draw ratio is 100-1000 are with weight ratio 1-2:The mixture of 1 composition.
The present invention by using fibre length is 2-10mm, filament diameter is 5-9 μm of carbon fiber and diameter be 10-100nm,
Draw ratio is that the carbon nanotube of 100-1000 is used in compounding as conductive agent, and the electric conductivity of PVC modified material can be improved.
Preferably, the toughener be styrene units content 40%-60%, acetate unit content 20%-30%,
Styrene-ethylene-butylene-styrene block copolymer of the butene units content in 20%-30%.
The present invention is by using styrene units content in 40%-60%, acetate unit content in 20%-30%, butylene
Unit content 20%-30% styrene-ethylene-butylene-styrene block copolymer as toughener, PVC can be improved
The toughness of modified material.
The liquid rubber is liquid silastic of the relative molecular mass in 2000-10000.
By using relative molecular mass, in the liquid silastic of 2000-10000, the modified material of PVC can be improved in the present invention
Expect processing performance, high temperature resistance and resistance to low temperature.
Preferably, the impact modifier be by haloflex, butyl acrylate/methylmethacrylate copolymer and
Methyl methacrylate/butadiene/styrene copolymers are with weight ratio 1:1.5-2.5:The mixture of 2-4 composition.
The present invention passes through type, compounding and the proportion of strict control impact modifier, and the impact strength of material can be improved,
The high temperature resistant and resistance to low temperature for improving material can also reduce the melt viscosity of material, improve mobility, improve adding for plastics
Work performance extends the service life of product.
The in-lubricant is by glycerin monostearate and stearic amide with weight ratio 1-2:The mixture of 1 composition.
The present invention passes through type, compounding and the weight proportion of strict control in-lubricant, has with polymer good compatible
Property, its cohesive force between polymeric inner plays the role of reduction polymer molecule is raw so as to improve the interior friction of plastic melt
The mobility of heat and melt.
A kind of conduction cushion preparation method of PVC modified material, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender, is stirred at a temperature of 100-140 DEG C
15-25min；
(2) PVC modified material is made by double screw extruder extruding pelletization in the raw material after stirring.
Preferably, in the step (2), the extruder temperature of double screw extruder is：One 138-160 DEG C of area's temperature, 2nd area
135-160 DEG C of temperature, three 135-155 DEG C of area's temperature, four area temperature 132-150 DEG CHe, five 130-148 DEG C of area's temperature.
The beneficial effects of the present invention are：PVC modified material excellent conductivity of the invention, environmental protection, and shock resistance
Excellent, toughness is preferable, and processing performance is excellent, is suitable for conductive cushion.
Preparation method step of the invention is simple, convenient operation and control, and quality is stablized, and high production efficiency, production cost is low,
It can large-scale industrial production.
Specific embodiment
For the ease of the understanding of those skilled in the art, below with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
Embodiment 1
A kind of conduction cushion PVC modified material, the raw material including following parts by weight：
The polyvinyl chloride resin is ethylene process polyvinyl chloride resin of the average degree of polymerization 700.
The preparation method of the plasticizer is：20 parts of the star-like polyester of cage modle organic-silicon hybridization, 2- hydroxyl are weighed by weight
It is 15 parts of glycerol stearate, 15 parts of diethylene glycol dibenzoate, 10 parts of epoxy aliphatic acid methyl ester, 20 parts of poly- hydroxypentanoic acid, right
15 parts of phthalic acid, 10 parts of ricinoleic acid, 20 parts of diethylene glycol, 15 parts of polyvinyl alcohol, 10 parts of xylitol, 5 parts of chitin, epoxy
8 parts and 3 parts of carbonyl diamide of soybean oil, mixing is stirred to react 60min at a temperature of 250 DEG C and is made.
The filler is partial size at 1 μm and through silane coupling agent and maleic anhydride inoculated polypropylene modification
Precipitated calcium carbonate.
The preparation method of the stabilizer is：20 parts of epoxyoleic acid calcium, 20 parts of epoxyoleic acid zinc, quinoline promise are weighed by weight
10 parts of ketone calcium salt, 10 parts of quinolone zinc salt, 10 parts of ricinoleic acid lanthanum, 10 parts of hydrophobic nanometer hydrotalcite, 5 parts of zeolite, Ji Wusi
15 parts of alcohol benzol carbonate, 10 parts of phosphite ester, 5 parts of beta-diketon, 8 parts of hollow titanium dioxide nanometer microballoons, modified nano-meter caco 3
6 parts of calcium, 6 parts of modified hydroxylapatite, 4 parts of modified molecular screen, 4 parts of 1-phenyl-3-methyl-5-pyrazolones ketone, polysilazane 3
Part, 1,3- dimethyl -6- semicarbazides pyrimidine, 1 part and 1 part of Malaysia acid imide mixing, stir evenly obtained at a temperature of 40 DEG C.
It is 2mm that the conductive agent, which is by fibre length, filament diameter is 5 μm of carbon fibers and diameter is 10nm, draw ratio is
100 carbon nanotube is with weight ratio 1:The mixture of 1 composition.
The toughener is that styrene units content exists in 40%, acetate unit content in 30%, butene units content
30% styrene-ethylene-butylene-styrene block copolymer；The liquid rubber is liquid of the relative molecular mass 2000
Body silicon rubber.
The impact modifier is by haloflex, butyl acrylate/methylmethacrylate copolymer and methyl-prop
E pioic acid methyl ester/butadiene/styrene copolymers are with weight ratio 1:1.5:The mixture of 2 compositions；The in-lubricant is by single hard
Glycerol and stearic amide are with weight ratio 1:The mixture of 1 composition.
A kind of conduction cushion preparation method of PVC modified material, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender, is stirred at a temperature of 100 DEG C
25min；
(2) PVC modified material is made by double screw extruder extruding pelletization in the raw material after stirring.
In the step (2), the extruder temperature of double screw extruder is：One 138 DEG C of area's temperature, 135 DEG C of two area's temperature, three
135 DEG C of area's temperature, 130 DEG C of four area's temperature, 132 DEG CHe, five area's temperature.
Embodiment 2
A kind of conduction cushion PVC modified material, the raw material including following parts by weight：
The polyvinyl chloride resin is ethylene process polyvinyl chloride resin of the average degree of polymerization 750.
The preparation method of the plasticizer is：25 parts of the star-like polyester of cage modle organic-silicon hybridization, 2- hydroxyl are weighed by weight
It is 18 parts of glycerol stearate, 18 parts of diethylene glycol dibenzoate, 12 parts of epoxy aliphatic acid methyl ester, 22 parts of poly- hydroxypentanoic acid, right
18 parts of phthalic acid, 12 parts of ricinoleic acid, 22 parts of diethylene glycol, 18 parts of polyvinyl alcohol, 12 parts of xylitol, 8 parts of chitin, epoxy
9 parts and 3.5 parts of carbonyl diamide of soybean oil, mixing is stirred to react 50min at a temperature of 280 DEG C and is made.
The filler is partial size at 3 μm and through silane coupling agent and maleic anhydride inoculated polypropylene modification
Precipitated calcium carbonate.
The preparation method of the stabilizer is：25 parts of epoxyoleic acid calcium, 25 parts of epoxyoleic acid zinc, quinoline promise are weighed by weight
15 parts of ketone calcium salt, 15 parts of quinolone zinc salt, 12 parts of ricinoleic acid lanthanum, 12 parts of hydrophobic nanometer hydrotalcite, 8 parts of zeolite, Ji Wusi
18 parts of alcohol benzol carbonate, 12 parts of phosphite ester, 8 parts of beta-diketon, 9 parts of hollow titanium dioxide nanometer microballoons, modified nano-meter caco 3
7 parts of calcium, 7 parts of modified hydroxylapatite, 5 parts of modified molecular screen, 5 parts of 1-phenyl-3-methyl-5-pyrazolones ketone, polysilazane 4
Part, 1,3- dimethyl -6- semicarbazides pyrimidine, 1.5 parts and 1.2 parts of Malaysia acid imide mixing, the system of stirring evenly at a temperature of 42 DEG C
?.
It is 4mm that the conductive agent, which is by fibre length, filament diameter is 6 μm of carbon fibers and diameter is 30nm, draw ratio is
300 carbon nanotube is with weight ratio 1.2:The mixture of 1 composition.
The toughener is that styrene units content exists in 45%, acetate unit content in 27.5%, butene units content
27.5% styrene-ethylene-butylene-styrene block copolymer；The liquid rubber is relative molecular mass 4000
Liquid silastic.
The impact modifier is by haloflex, butyl acrylate/methylmethacrylate copolymer and methyl-prop
E pioic acid methyl ester/butadiene/styrene copolymers are with weight ratio 1:1.8:The mixture of 2.5 compositions；The in-lubricant is by list
Tristerin and stearic amide are with weight ratio 1.2:The mixture of 1 composition.
A kind of conduction cushion preparation method of PVC modified material, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender, is stirred at a temperature of 110 DEG C
22min；
(2) PVC modified material is made by double screw extruder extruding pelletization in the raw material after stirring.
In the step (2), the extruder temperature of double screw extruder is：One 144 DEG C of area's temperature, 141 DEG C of two area's temperature, three
140 DEG C of area's temperature, 135 DEG C of four area's temperature, 136 DEG CHe, five area's temperature.
Embodiment 3
A kind of conduction cushion PVC modified material, the raw material including following parts by weight：
The polyvinyl chloride resin is ethylene process polyvinyl chloride resin of the average degree of polymerization 800.
The preparation method of the plasticizer is：30 parts of the star-like polyester of cage modle organic-silicon hybridization, 2- hydroxyl are weighed by weight
It is 20 parts of glycerol stearate, 20 parts of diethylene glycol dibenzoate, 15 parts of epoxy aliphatic acid methyl ester, 25 parts of poly- hydroxypentanoic acid, right
20 parts of phthalic acid, 15 parts of ricinoleic acid, 25 parts of diethylene glycol, 20 parts of polyvinyl alcohol, 15 parts of xylitol, 10 parts of chitin, ring
10 parts and 4 parts of carbonyl diamide of oxygen soybean oil, mixing is stirred to react 45min at a temperature of 300 DEG C and is made.
The filler is partial size at 5 μm and through silane coupling agent and maleic anhydride inoculated polypropylene modification
Precipitated calcium carbonate.
The preparation method of the stabilizer is：30 parts of epoxyoleic acid calcium, 30 parts of epoxyoleic acid zinc, quinoline promise are weighed by weight
20 parts of ketone calcium salt, 20 parts of quinolone zinc salt, 15 parts of ricinoleic acid lanthanum, 15 parts of hydrophobic nanometer hydrotalcite, 10 parts of zeolite, Ji Wusi
20 parts of alcohol benzol carbonate, 15 parts of phosphite ester, 10 parts of beta-diketon, 10 parts of hollow titanium dioxide nanometer microballoons, modified Nano carbon
8 parts of sour calcium, 8 parts of modified hydroxylapatite, 6 parts of modified molecular screen, 6 parts of 1-phenyl-3-methyl-5-pyrazolones ketone, polysilazane 5
Part, 1,3- dimethyl -6- semicarbazides pyrimidine, 2 parts and 1.5 parts of Malaysia acid imide mixing, the system of stirring evenly at a temperature of 45 DEG C
?.
It is 6mm that the conductive agent, which is by fibre length, filament diameter is 7 μm of carbon fibers and diameter is 50nm, draw ratio is
500 carbon nanotube is with weight ratio 1.5:The mixture of 1 composition.
The toughener is that styrene units content exists in 50%, acetate unit content in 25%, butene units content
25% styrene-ethylene-butylene-styrene block copolymer；The liquid rubber is liquid of the relative molecular mass 6000
Body silicon rubber.
The impact modifier is by haloflex, butyl acrylate/methylmethacrylate copolymer and methyl-prop
E pioic acid methyl ester/butadiene/styrene copolymers are with weight ratio 1:2:The mixture of 3 compositions；The in-lubricant is by single tristearin
Acid glyceride and stearic amide are with weight ratio 1.5:The mixture of 1 composition.
A kind of conduction cushion preparation method of PVC modified material, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender, is stirred at a temperature of 120 DEG C
20min；
(2) PVC modified material is made by double screw extruder extruding pelletization in the raw material after stirring.
In the step (2), the extruder temperature of double screw extruder is：One 149 DEG C of area's temperature, 147 DEG C of two area's temperature, three
145 DEG C of area's temperature, 139 DEG C of four area's temperature, 141 DEG CHe, five area's temperature.
Embodiment 4
A kind of conduction cushion PVC modified material, the raw material including following parts by weight：
The polyvinyl chloride resin is ethylene process polyvinyl chloride resin of the average degree of polymerization 850.
The preparation method of the plasticizer is：35 parts of the star-like polyester of cage modle organic-silicon hybridization, 2- hydroxyl are weighed by weight
It is 22 parts of glycerol stearate, 22 parts of diethylene glycol dibenzoate, 18 parts of epoxy aliphatic acid methyl ester, 28 parts of poly- hydroxypentanoic acid, right
22 parts of phthalic acid, 18 parts of ricinoleic acid, 28 parts of diethylene glycol, 22 parts of polyvinyl alcohol, 18 parts of xylitol, 12 parts of chitin, ring
11 parts and 4.5 parts of carbonyl diamide of oxygen soybean oil, mixing is stirred to react 40min at a temperature of 320 DEG C and is made.
The filler is partial size at 8 μm and through silane coupling agent and maleic anhydride inoculated polypropylene modification
Precipitated calcium carbonate.
The preparation method of the stabilizer is：35 parts of epoxyoleic acid calcium, 35 parts of epoxyoleic acid zinc, quinoline promise are weighed by weight
25 parts of ketone calcium salt, 25 parts of quinolone zinc salt, 18 parts of ricinoleic acid lanthanum, 18 parts of hydrophobic nanometer hydrotalcite, 12 parts of zeolite, Ji Wusi
22 parts of alcohol benzol carbonate, 18 parts of phosphite ester, 12 parts of beta-diketon, 11 parts of hollow titanium dioxide nanometer microballoons, modified Nano carbon
9 parts of sour calcium, 9 parts of modified hydroxylapatite, 7 parts of modified molecular screen, 7 parts of 1-phenyl-3-methyl-5-pyrazolones ketone, polysilazane 6
Part, 1,3- dimethyl -6- semicarbazides pyrimidine, 2.5 parts and 1.8 parts of Malaysia acid imide mixing, the system of stirring evenly at a temperature of 48 DEG C
?.
It is 8mm that the conductive agent, which is by fibre length, filament diameter is 8 μm of carbon fibers and diameter is 80nm, draw ratio is
800 carbon nanotube is with weight ratio 1.8:The mixture of 1 composition.
The toughener is that styrene units content exists in 55%, acetate unit content in 22.5%, butene units content
22.5% styrene-ethylene-butylene-styrene block copolymer；The liquid rubber is relative molecular mass 8000
Liquid silastic.
The impact modifier is by haloflex, butyl acrylate/methylmethacrylate copolymer and methyl-prop
E pioic acid methyl ester/butadiene/styrene copolymers are with weight ratio 1:2.2:The mixture of 3.5 compositions；The in-lubricant is by list
Tristerin and stearic amide are with weight ratio 1.8:The mixture of 1 composition.
A kind of conduction cushion preparation method of PVC modified material, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender, is stirred at a temperature of 110 DEG C
18min；
(2) PVC modified material is made by double screw extruder extruding pelletization in the raw material after stirring.
In the step (2), the extruder temperature of double screw extruder is：One 155 DEG C of area's temperature, 153 DEG C of two area's temperature, three
150 DEG C of area's temperature, 144 DEG C of four area's temperature, 145 DEG CHe, five area's temperature.
Embodiment 5
A kind of conduction cushion PVC modified material, the raw material including following parts by weight：
The polyvinyl chloride resin is ethylene process polyvinyl chloride resin of the average degree of polymerization 900.
The preparation method of the plasticizer is：40 parts of the star-like polyester of cage modle organic-silicon hybridization, 2- hydroxyl are weighed by weight
It is 25 parts of glycerol stearate, 25 parts of diethylene glycol dibenzoate, 20 parts of epoxy aliphatic acid methyl ester, 30 parts of poly- hydroxypentanoic acid, right
25 parts of phthalic acid, 20 parts of ricinoleic acid, 30 parts of diethylene glycol, 25 parts of polyvinyl alcohol, 20 parts of xylitol, 15 parts of chitin, ring
12 parts and 5 parts of carbonyl diamide of oxygen soybean oil, mixing is stirred to react 30min at a temperature of 350 DEG C and is made.
The filler is partial size at 10 μm and through silane coupling agent and maleic anhydride inoculated polypropylene modification
Precipitated calcium carbonate.
The preparation method of the stabilizer is：40 parts of epoxyoleic acid calcium, 40 parts of epoxyoleic acid zinc, quinoline promise are weighed by weight
30 parts of ketone calcium salt, 30 parts of quinolone zinc salt, 20 parts of ricinoleic acid lanthanum, 20 parts of hydrophobic nanometer hydrotalcite, 15 parts of zeolite, Ji Wusi
25 parts of alcohol benzol carbonate, 20 parts of phosphite ester, 15 parts of beta-diketon, 12 parts of hollow titanium dioxide nanometer microballoons, modified Nano carbon
10 parts of sour calcium, 10 parts of modified hydroxylapatite, 8 parts of modified molecular screen, 8 parts of 1-phenyl-3-methyl-5-pyrazolones ketone, poly- silicon nitrogen
7 parts of alkane, 1,3- dimethyl -6- semicarbazides pyrimidine, 3 parts and 2 parts of Malaysia acid imide mixing, stir evenly system at 50 °C
?.
It is 10mm that the conductive agent, which is by fibre length, filament diameter is 9 μm of carbon fibers and diameter is 100nm, draw ratio
For 1000 carbon nanotube with weight ratio 2:The mixture of 1 composition.
The toughener is that styrene units content exists in 60%, acetate unit content in 20%, butene units content
20% styrene-ethylene-butylene-styrene block copolymer；The liquid rubber is liquid of the relative molecular mass 10000
Body silicon rubber.
The impact modifier is by haloflex, butyl acrylate/methylmethacrylate copolymer and methyl-prop
E pioic acid methyl ester/butadiene/styrene copolymers are with weight ratio 1:2.5:The mixture of 4 compositions；The in-lubricant is by single hard
Glycerol and stearic amide are with weight ratio 2:The mixture of 1 composition.
A kind of conduction cushion preparation method of PVC modified material, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender, is stirred at a temperature of 140 DEG C
15min；
(2) PVC modified material is made by double screw extruder extruding pelletization in the raw material after stirring.
In the step (2), the extruder temperature of double screw extruder is：One 160 DEG C of area's temperature, 160 DEG C of two area's temperature, three
155 DEG C of area's temperature, 148 DEG C of four area's temperature, 150 DEG CHe, five area's temperature.
Comparative example 1
The comparative example the difference from embodiment 1 is that：The stabilizer is using commercially available Japanese marshy land chemistry A-380 calcium zinc
Stabilizer.
Comparative example 2
The comparative example the difference from embodiment 1 is that：The plasticizer is by tributyl citrate, synthesizes vegetable esters and neighbour
Dibatyl phithalate is with weight ratio 1:1:The mixture of 1 composition.
The mechanical and physical performance difference of PVC modified material made from the embodiment of the present invention 1-5 and comparative example 1-2 is as follows
Shown in table.
From the comparison of embodiment 1 and comparative example 1 as can be seen that PVC modified material of the invention is by using special steady
Determine agent, compared with existing calcium zinc stabilizer, heat-stable time is obviously improved at 200 DEG C, and tensile strength, bending strength,
The mechanical properties such as elongation at break and notch impact strength all have a certain upgrade；It can be with from the comparison of embodiment 1 and comparative example 2
Find out, PVC modified material of the invention is by using special plasticizer, compared with existing plasticizer, when being plasticized
Between be obviously improved, the mechanical property of polyvinyl chloride resin, especially impact resistance can also be made significantly to be promoted.
As can be seen from the above table, PVC modified material excellent conductivity produced by the present invention, environmental protection, and shock resistance is excellent
Different, toughness is preferable, and processing performance is excellent, is suitable for conductive cushion.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart under the premise of present inventive concept it is any obviously replace it is within the scope of the present invention.
Claims (10)
1. a kind of conduction cushion PVC modified material, it is characterised in that：Raw material including following parts by weight：
2. a kind of conductive cushion PVC modified material according to claim 1, it is characterised in that：The polyvinyl chloride resin is flat
The right ethylene process polyvinyl chloride resin in 700-900 of homopolymerization.
3. a kind of conductive cushion PVC modified material according to claim 1, it is characterised in that：The system of the plasticizer
Preparation Method is：Weigh that cage modle organic-silicon hybridization is polyester 20-40 parts star-like, 2-hydroxystearic acid glyceryl ester 15-25 by weight
Part, 15-25 parts of diethylene glycol dibenzoate, 10-20 parts of epoxy aliphatic acid methyl ester, hydroxypentanoic acid 20-30 parts poly-, terephthalic acid (TPA)
15-25 parts, 10-20 parts of ricinoleic acid, 20-30 parts of diethylene glycol, 15-25 parts of polyvinyl alcohol, 10-20 parts of xylitol, chitin
5-15 parts, 8-12 parts of epoxidized soybean oil and 3-5 parts of carbonyl diamide, mixing, are stirred to react 30-60min at a temperature of 250-350 DEG C
It is made.
4. a kind of conductive cushion PVC modified material according to claim 1, it is characterised in that：The filler is grain
Diameter is at 1-10 μm and the precipitated calcium carbonate through silane coupling agent and maleic anhydride inoculated polypropylene modification.
5. a kind of conductive cushion PVC modified material according to claim 1, it is characterised in that：The system of the stabilizer
Preparation Method is：20-40 parts of epoxyoleic acid calcium, 20-40 parts of epoxyoleic acid zinc, 10-30 parts of quinolone calcium salt, quinoline are weighed by weight
10-30 parts of promise ketone zinc salt, 10-20 parts of ricinoleic acid lanthanum, 10-20 parts of hydrophobic nanometer hydrotalcite, 5-15 parts of zeolite, pentaerythrite
15-25 parts of benzol carbonate, 10-20 parts of phosphite ester, 5-15 parts of beta-diketon, it is titanium dioxide nanometer microballoons 8-12 parts hollow, change
Property 6-10 parts of nanometer calcium carbonate, 6-10 parts of modified hydroxylapatite, 4-8 parts of modified molecular screen, 1- phenyl -3- methyl -5- pyrazoles
1-3 parts and 1-2 parts of Malaysia acid imide 4-8 parts of quinoline ketone, 3-7 parts of polysilazane, 1,3- dimethyl -6- semicarbazides pyrimidine mixing,
It is stirred evenly at a temperature of 40-50 DEG C obtained.
6. a kind of conductive cushion PVC modified material according to claim 1, it is characterised in that：The conductive agent be by
The carbon that fibre length is 2-10mm, filament diameter is 5-9 μm of carbon fiber and diameter is 10-100nm, draw ratio is 100-1000 is received
Mitron is with weight ratio 1-2:The mixture of 1 composition.
7. a kind of conductive cushion PVC modified material according to claim 1, it is characterised in that：The toughener is benzene
Acetate unit content 40%-60%, acetate unit content 20%-30%, butene units content 20%-30% benzene second
Alkene-ethylene-butylene, Styrene block copolymer；The liquid rubber is liquid silicon of the relative molecular mass in 2000-10000
Rubber.
8. a kind of conductive cushion PVC modified material according to claim 1, it is characterised in that：The impact modifier
It is by haloflex, butyl acrylate/methylmethacrylate copolymer and methyl methacrylate/Butadiene/Styrene
Copolymer is with weight ratio 1:1.5-2.5:The mixture of 2-4 composition；The in-lubricant is by glycerin monostearate and tristearin
Sour amide is with weight ratio 1-2:The mixture of 1 composition.
9. such as a kind of described in any item preparation methods of conductive cushion PVC modified material of claim 1-8, feature exists
In：Include the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender, is stirred 15- at a temperature of 100-140 DEG C
25min；
(2) PVC modified material is made by double screw extruder extruding pelletization in the raw material after stirring.
10. a kind of preparation method of conductive cushion PVC modified material according to claim 9, it is characterised in that：It is described
In step (2), the extruder temperature of double screw extruder is：One 138-160 DEG C of area's temperature, two 135-160 DEG C of area's temperature, three area's temperature
Spend 135-155 DEG C, four area temperature 132-150 DEG CHe, five 130-148 DEG C of area's temperature.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159571A (en) * | 2020-10-10 | 2021-01-01 | 温州一派塑业有限公司 | Impact-resistant PVC sheet and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059469A (en) * | 2012-12-25 | 2013-04-24 | 东莞市祺龙电业有限公司 | High temperature resistant environment-friendly polyvinyl chloride (PVC) modified material and preparing method thereof |
| CN105440505A (en) * | 2015-12-31 | 2016-03-30 | 东莞市祺龙电业有限公司 | PVC (polyvinyl chloride) foam material for sole and preparation method of PVC foam material |
| CN106977848A (en) * | 2017-04-18 | 2017-07-25 | 东莞市祺龙电业有限公司 | A kind of automotive line is material modified and preparation method thereof with PVC |
-
2018
- 2018-05-04 CN CN201810421378.7A patent/CN108912528A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059469A (en) * | 2012-12-25 | 2013-04-24 | 东莞市祺龙电业有限公司 | High temperature resistant environment-friendly polyvinyl chloride (PVC) modified material and preparing method thereof |
| CN105440505A (en) * | 2015-12-31 | 2016-03-30 | 东莞市祺龙电业有限公司 | PVC (polyvinyl chloride) foam material for sole and preparation method of PVC foam material |
| CN106977848A (en) * | 2017-04-18 | 2017-07-25 | 东莞市祺龙电业有限公司 | A kind of automotive line is material modified and preparation method thereof with PVC |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112159571A (en) * | 2020-10-10 | 2021-01-01 | 温州一派塑业有限公司 | Impact-resistant PVC sheet and preparation method thereof |
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Application publication date: 20181130 |