CN105968647A - Preparation method of modified polyvinyl chloride - Google Patents
Preparation method of modified polyvinyl chloride Download PDFInfo
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- CN105968647A CN105968647A CN201610498351.9A CN201610498351A CN105968647A CN 105968647 A CN105968647 A CN 105968647A CN 201610498351 A CN201610498351 A CN 201610498351A CN 105968647 A CN105968647 A CN 105968647A
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- polyvinyl chloride
- modified polyvinyl
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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
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a preparation method of modified polyvinyl chloride, including: kneading polyvinyl chloride resin, polyurethane, dioctyl phthalate, dibasic lead sulfate, tribasic lead phosphite, calcium stearate and nano calcium carbonate at high speed, extruding and granulating with a twin-screw extruder, and injection molding with an injection molding machine to obtain the modified polyvinyl chloride good in weatherability, low in price and good in stability. The modified polyvinyl chloride prepared herein may be provided with effectively improved thermal stability and low-temperature flexibility, and has improved toughness and improved impact performance and processibility at the premise of not reducing mechanical properties thereof.
Description
Technical field
The present invention relates to igelite production and processing technical field, particularly relate to one and change
The preparation method of property polrvinyl chloride.
Background technology
Polrvinyl chloride is to realize one of industrialized plastics variety the most the earliest, is one
The resins for universal use that energy is excellent, cheap.It is at four big general synthetic resins: polyethylene, poly-
In vinyl chloride, polypropylene, polystyrene, annual production is only second to polyethylene and occupies second.But its
There is the shortcoming such as poor toughness, poor heat stability, it need to be modified.Thermoplastic polyurethane bullet
Gonosome is by polyisocyanates with the polyester of hydroxyl or polyether Glycols and low molecule binary
Alcohol chain extender, the wire made by progressively polyaddition reaction or the most branched or height of crosslinking
Molecular material.Polyurethane molecular not only contains flexible soft chain segment but also contains rigidity hard segment, its bullet
Property modulus, between plastics and rubber, remains to keep preferable bullet in wider hardness range
Property, polyurethane also has plastic processing character concurrently, and has good resistance to low temperature and resistance to
Oil, solvent resistant, ozone resistance.
Summary of the invention
The present invention provides the preparation method of a kind of modified polyvinyl chloride, and the method is by polrvinyl chloride tree
Fat, polyurethane, dioctyl phthalate, second base lead sulfate, tribasic lead phosphite,
After calcium stearate, nano-calcium carbonate high-speed kneading, utilize double screw extruder extruding pelletization, logical
Cross injection machine injection mo(u)lding, obtain good weatherability, the modification that cheap, stability is good gathers
Vinyl chloride plastic.
For achieving the above object, the technical solution used in the present invention is:
The preparation method of a kind of modified polyvinyl chloride, comprises the following steps:
S1, choose according to mass parts Corvic 70-80 part, polyurethane 30-40 part,
Dioctyl phthalate 40-50 part, second base lead sulfate 1-2 part, tribasic lead phosphite
1-2 part, calcium stearate 2-5 part, nano-calcium carbonate 30-40 part；
S2, by Corvic, polyurethane, dioctyl phthalate, dibasic sulphuric acid
Lead, tribasic lead phosphite, calcium stearate, nano-calcium carbonate join in high-speed mixer,
High-speed kneading 30-50 minute, is sufficiently mixed uniformly；
S3, on the twin screw extruder, the temperature of each bringing-up section of adjusting screw rod, in condition be
The temperature of one section to six sections controls: 160 DEG C, 170 DEG C, 175 DEG C, 180 DEG C, 175 DEG C,
170 DEG C, head temperature is 160 DEG C, and melt temperature is at 160 DEG C, extruding pelletization；
S4, regulate on injection machine each section of temperature be respectively 170 DEG C, 175 DEG C, 180 DEG C, 180
DEG C, 170 DEG C, injection pressure position 80Mpa, injection moulding speed 35mm/s, dwell pressure 65Mpa,
Injection mo(u)lding under the conditions of pressurize speed 25mm/s, dwell time 5s.
Further, Corvic 75 parts, polyurethane 35 parts, adjacent benzene in described S1
Dioctyl phthalate dioctyl ester 45 parts, second base lead sulfate 1.5 parts, tribasic lead phosphite 1.5 parts,
Calcium stearate 3 parts, nano-calcium carbonate 35 parts.
Further, in described S1, Corvic is polrvinyl chloride SG-5, average polymerization
Degree is 1000.
Further, in described S1, nano-calcium carbonate particle diameter is 15-40nm.
Beneficial effects of the present invention: the preparation method of a kind of modified polyvinyl chloride, by polrvinyl chloride
Resin, polyurethane, dioctyl phthalate, second base lead sulfate, tribasic lead phosphite,
After calcium stearate, nano-calcium carbonate high-speed kneading, utilize double screw extruder extruding pelletization, logical
Cross injection machine injection mo(u)lding, obtain good weatherability, the modification that cheap, stability is good gathers
Vinyl chloride plastic；Modified polyvinyl chloride prepared by the method, can be effectively improved polrvinyl chloride
Heat stability and low-temperature flexibility, on the basis of the every mechanical performance not reducing polrvinyl chloride
On, make the toughness of polrvinyl chloride improve, improve the impact property of polrvinyl chloride, processing characteristics.
Detailed description of the invention
Embodiment 1
The preparation method of a kind of modified polyvinyl chloride, comprises the following steps:
S1, choose Corvic 70 parts, polyurethane 30 parts, adjacent benzene two according to mass parts
Formic acid dioctyl ester 40 parts, second base lead sulfate 1 part, tribasic lead phosphite 1 part, tristearin
Acid calcium 2 parts, nano-calcium carbonate 30 parts；Corvic is polrvinyl chloride SG-5, averagely
The degree of polymerization is 1000；Nano-calcium carbonate particle diameter is 15-40nm；
S2, by Corvic, polyurethane, dioctyl phthalate, dibasic sulphuric acid
Lead, tribasic lead phosphite, calcium stearate, nano-calcium carbonate join in high-speed mixer,
High-speed kneading 30 minutes, is sufficiently mixed uniformly；
S3, on the twin screw extruder, the temperature of each bringing-up section of adjusting screw rod, in condition be
The temperature of one section to six sections controls: 160 DEG C, 170 DEG C, 175 DEG C, 180 DEG C, 175 DEG C,
170 DEG C, head temperature is 160 DEG C, and melt temperature is at 160 DEG C, extruding pelletization；
S4, regulate on injection machine each section of temperature be respectively 170 DEG C, 175 DEG C, 180 DEG C, 180
DEG C, 170 DEG C, injection pressure position 80Mpa, injection moulding speed 35mm/s, dwell pressure 65Mpa,
Injection mo(u)lding under the conditions of pressurize speed 25mm/s, dwell time 5s.
Embodiment 2
The preparation method of a kind of modified polyvinyl chloride, comprises the following steps:
S1, choose Corvic 80 parts, polyurethane 40 parts, adjacent benzene two according to mass parts
Formic acid dioctyl ester 50 parts, second base lead sulfate 2 parts, tribasic lead phosphite 2 parts, tristearin
Acid calcium 5 parts, nano-calcium carbonate 40 parts；Corvic is polrvinyl chloride SG-5, averagely
The degree of polymerization is 1000；Nano-calcium carbonate particle diameter is 15-40nm；
S2, by Corvic, polyurethane, dioctyl phthalate, dibasic sulphuric acid
Lead, tribasic lead phosphite, calcium stearate, nano-calcium carbonate join in high-speed mixer,
High-speed kneading 30-50 minute, is sufficiently mixed uniformly；
S3, on the twin screw extruder, the temperature of each bringing-up section of adjusting screw rod, in condition be
The temperature of one section to six sections controls: 160 DEG C, 170 DEG C, 175 DEG C, 180 DEG C, 175 DEG C,
170 DEG C, head temperature is 160 DEG C, and melt temperature is at 160 DEG C, extruding pelletization；
S4, regulate on injection machine each section of temperature be respectively 170 DEG C, 175 DEG C, 180 DEG C, 180
DEG C, 170 DEG C, injection pressure position 80Mpa, injection moulding speed 35mm/s, dwell pressure 65Mpa,
Injection mo(u)lding under the conditions of pressurize speed 25mm/s, dwell time 5s.
Embodiment 3
The preparation method of a kind of modified polyvinyl chloride, comprises the following steps:
S1, choose Corvic 75 parts, polyurethane 35 parts, adjacent benzene two according to mass parts
Formic acid dioctyl ester 45 parts, second base lead sulfate 1.5 parts, tribasic lead phosphite 1.5 parts,
Calcium stearate 3 parts, nano-calcium carbonate 35 parts；Corvic is polrvinyl chloride SG-5,
Average degree of polymerization is 1000；Nano-calcium carbonate particle diameter is 15-40nm；
S2, by Corvic, polyurethane, dioctyl phthalate, dibasic sulphuric acid
Lead, tribasic lead phosphite, calcium stearate, nano-calcium carbonate join in high-speed mixer,
High-speed kneading 30-50 minute, is sufficiently mixed uniformly；
S3, on the twin screw extruder, the temperature of each bringing-up section of adjusting screw rod, in condition be
The temperature of one section to six sections controls: 160 DEG C, 170 DEG C, 175 DEG C, 180 DEG C, 175 DEG C,
170 DEG C, head temperature is 160 DEG C, and melt temperature is at 160 DEG C, extruding pelletization；
S4, regulate on injection machine each section of temperature be respectively 170 DEG C, 175 DEG C, 180 DEG C, 180
DEG C, 170 DEG C, injection pressure position 80Mpa, injection moulding speed 35mm/s, dwell pressure 65Mpa,
Injection mo(u)lding under the conditions of pressurize speed 25mm/s, dwell time 5s.
The preparation method of modified polyvinyl chloride of the present invention, by Corvic, polyurethane, neighbour
Dioctyl phthalate, second base lead sulfate, tribasic lead phosphite, calcium stearate, nanometer
After calcium carbonate high-speed kneading, utilize double screw extruder extruding pelletization, be molded into by injection machine
Type, obtains good weatherability, the modified vinylene chloride plastics that cheap, stability is good；Should
Modified polyvinyl chloride prepared by method, can be effectively improved the heat stability of polrvinyl chloride and low
Gentle pliable, on the basis of not reducing every mechanical performance of polrvinyl chloride, make polrvinyl chloride
Toughness improve, improve the impact property of polrvinyl chloride, processing characteristics.
Embodiment described above is only to be described the preferred embodiment of the present invention, and
Non-the spirit and scope of the present invention are defined.In the premise without departing from design concept of the present invention
Under, various modification that technical scheme is made by this area ordinary person and improvement, all
Protection scope of the present invention should be dropped into.
Claims (4)
1. the preparation method of a modified polyvinyl chloride, it is characterised in that: comprise the following steps:
S1, choose according to mass parts Corvic 70-80 part, polyurethane 30-40 part,
Dioctyl phthalate 40-50 part, second base lead sulfate 1-2 part, tribasic lead phosphite
1-2 part, calcium stearate 2-5 part, nano-calcium carbonate 30-40 part；
S2, by Corvic, polyurethane, dioctyl phthalate, dibasic sulphuric acid
Lead, tribasic lead phosphite, calcium stearate, nano-calcium carbonate join in high-speed mixer,
High-speed kneading 30-50 minute, is sufficiently mixed uniformly；
S3, on the twin screw extruder, the temperature of each bringing-up section of adjusting screw rod, in condition be
The temperature of one section to six sections controls: 160 DEG C, 170 DEG C, 175 DEG C, 180 DEG C, 175 DEG C,
170 DEG C, head temperature is 160 DEG C, and melt temperature is at 160 DEG C, extruding pelletization；
S4, regulate on injection machine each section of temperature be respectively 170 DEG C, 175 DEG C, 180 DEG C, 180
DEG C, 170 DEG C, injection pressure position 80Mpa, injection moulding speed 35mm/s, dwell pressure 65Mpa,
Injection mo(u)lding under the conditions of pressurize speed 25mm/s, dwell time 5s.
The preparation method of a kind of modified polyvinyl chloride the most as claimed in claim 1, its feature
It is: Corvic 75 parts, polyurethane 35 parts, phthalic acid two in described S1
Monooctyl ester 45 parts, second base lead sulfate 1.5 parts, tribasic lead phosphite 1.5 parts, stearic acid
Calcium 3 parts, nano-calcium carbonate 35 parts.
The preparation method of a kind of modified polyvinyl chloride the most as claimed in claim 1, its feature
Being: in described S1, Corvic is polrvinyl chloride SG-5, average degree of polymerization is 1000.
The preparation method of a kind of modified polyvinyl chloride the most as claimed in claim 1, its feature
It is: in described S1, nano-calcium carbonate particle diameter is 15-40nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610498351.9A CN105968647A (en) | 2016-06-28 | 2016-06-28 | Preparation method of modified polyvinyl chloride |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610498351.9A CN105968647A (en) | 2016-06-28 | 2016-06-28 | Preparation method of modified polyvinyl chloride |
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| Publication Number | Publication Date |
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| CN105968647A true CN105968647A (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610498351.9A Pending CN105968647A (en) | 2016-06-28 | 2016-06-28 | Preparation method of modified polyvinyl chloride |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183840A (en) * | 2019-06-18 | 2019-08-30 | 扬州天启新材料股份有限公司 | A kind of high speed copper-clad plate modified polyphenylene ether resin and preparation method thereof |
| CN113185790A (en) * | 2021-06-07 | 2021-07-30 | 浙江宏基道安科技股份有限公司 | Cold-resistant heat-resistant polyvinyl chloride composite material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286181A (en) * | 2010-06-21 | 2011-12-21 | 国家复合改性聚合物材料工程技术研究中心 | Formula of high-liquidity polyvinyl chloride alloy and preparation method |
| CN102382398A (en) * | 2011-10-09 | 2012-03-21 | 常熟市威腾进出口有限公司 | Modified polrvinyl chloride composite material and preparation method thereof |
| CN102399400A (en) * | 2011-10-09 | 2012-04-04 | 常熟市星源金属涂层厂 | Composition of low-temperature resisting PVC composite hosepipe, and preparation method thereof |
| CN105017675A (en) * | 2015-06-19 | 2015-11-04 | 深圳市帝源新材料科技有限公司 | Polyurethane elastomer modified polyvinyl chloride electric cable material and manufacturing process thereof |
| CN105440484A (en) * | 2015-12-10 | 2016-03-30 | 安徽宁国市高新管业有限公司 | Heatproof PVC pipe with high impact strength and high tensile strength |
-
2016
- 2016-06-28 CN CN201610498351.9A patent/CN105968647A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286181A (en) * | 2010-06-21 | 2011-12-21 | 国家复合改性聚合物材料工程技术研究中心 | Formula of high-liquidity polyvinyl chloride alloy and preparation method |
| CN102382398A (en) * | 2011-10-09 | 2012-03-21 | 常熟市威腾进出口有限公司 | Modified polrvinyl chloride composite material and preparation method thereof |
| CN102399400A (en) * | 2011-10-09 | 2012-04-04 | 常熟市星源金属涂层厂 | Composition of low-temperature resisting PVC composite hosepipe, and preparation method thereof |
| CN105017675A (en) * | 2015-06-19 | 2015-11-04 | 深圳市帝源新材料科技有限公司 | Polyurethane elastomer modified polyvinyl chloride electric cable material and manufacturing process thereof |
| CN105440484A (en) * | 2015-12-10 | 2016-03-30 | 安徽宁国市高新管业有限公司 | Heatproof PVC pipe with high impact strength and high tensile strength |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183840A (en) * | 2019-06-18 | 2019-08-30 | 扬州天启新材料股份有限公司 | A kind of high speed copper-clad plate modified polyphenylene ether resin and preparation method thereof |
| CN113185790A (en) * | 2021-06-07 | 2021-07-30 | 浙江宏基道安科技股份有限公司 | Cold-resistant heat-resistant polyvinyl chloride composite material and preparation method thereof |
| CN113185790B (en) * | 2021-06-07 | 2023-07-07 | 浙江宏基道安科技股份有限公司 | Cold-resistant heat-resistant polyvinyl chloride composite material and preparation method thereof |
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Application publication date: 20160928 |
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