CN107163439A - A kind of preparation method of the low migration PVC nano composite materials of high tenacity - Google Patents
A kind of preparation method of the low migration PVC nano composite materials of high tenacity Download PDFInfo
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- CN107163439A CN107163439A CN201710468241.2A CN201710468241A CN107163439A CN 107163439 A CN107163439 A CN 107163439A CN 201710468241 A CN201710468241 A CN 201710468241A CN 107163439 A CN107163439 A CN 107163439A
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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
- 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
-
- 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
- C08K2201/011—Nanostructured additives
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation method of the low migration PVC nano composite materials of high tenacity, the preparation method first puts into various materials in low speed mixer, is uniformly mixed；Then mixed raw material is subjected to extrusion processing, pelletizing, low temperature drying with double screw extruder.The preparation method flow of the present invention is shorter, and simple to operate, cost is low, environmentally friendly, high financial profit.Compared with prior art, the nano composite material that the method provided by the present invention is prepared has the performances such as excellent toughness and low migration energy, and other physics, chemistry and machinery, is superior to the performance of existing Related product on the market.
Description
Technical field
The invention belongs to field of nanocomposite materials, it is related to a kind of preparation of the low migration PVC nano composite materials of high tenacity
Method.
Technical background
Medical macromolecular materials refer to the polymerization for manufacturing human body viscera, vitro in organ, pharmaceutical dosage form and medicine equipment
Thing material, medical macromolecular materials are used for human body, are directly connected to the life and health of people, the typically requirement to its performance
It is：1. security：Necessary nontoxic or side effect is few.This requires polymer purity high, and production environment is cleaned very much, and polymerization is helped
The residual of agent is few, and impurity content is ppm grades, it is ensured that disease-free, nontoxic propagation conditions.Its high-molecular compound is in itself and single simultaneously
Body impurity, degraded or wear debris do not produce harmful effect to body.2. physics, chemistry and mechanical performance need to meet medical required
The requirement of Design and Features.3. adaptability：Including the adaptability with other materials in medical supplies, material is compatible with human-body biological
The compatibility of property, blood compatibility and tissue.4. specific function：Different application field, it is desirable to which material has certain respectively
Specific function.
Medical PVC is one of primary raw material of disposable medical instrument, and it has many advantages, such as：Resist chemical, gas
Steam hypotonicity is good, and comprehensive mechanical performance, the product transparency are good etc., while being also cost performance the most superior general section bar
Material.But its low-temperature flexibility is poor, rapid be hardened becomes fragile during reduction temperature, easily embrittlement when being hit；Moreover, the increasing of flexible PVC
Mould agent migration larger, easy embrittlement during use, this causes the disposable infusion bag film using flexible PVC material in day
When gas is cold, easily occurs cracking phenomena during packaging is opened.To improve the physics, chemistry and machinery of its product
Etc. performance, it is necessary to be modified to the surface of product.And using nano material as preparing with polymer blending modification
Nano composite material is more excellent than other composite properties.This mainly due to small as the nano-particles size of dispersed phase,
Specific surface area is big and produces quantum effect and skin effect so that nano composite material shows peculiar property at numerous aspects
Can, such as electricity, magnetic, thermodynamics.But the subject matter that nano material is existed using technology at present is nano powder granular material
Agglomeration traits, cause powder granule material in use caused by the particle surface tension force formed by particle agglomeration so that
The decomposition for causing addition chemical breakdown agent in use to carry out agglomerated particle could be used normally, but so be can bring about and used
The increase and chemical contamination of difficulty, while reducing service efficiency, this just limits this applications to nanostructures.Therefore, we from
The formula and technique of product are set about, and it is whole industry to research and develop a kind of new technology of the low migration PVC nano composite materials of high tenacity
The task of top priority.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of nano combined materials of the low migration PVC of high tenacity
The preparation method of material.
The purpose of the present invention is achieved through the following technical solutions：A kind of low migration PVC nano composite materials of high tenacity
Preparation method, comprise the following steps：First weigh by weight PVC85-90 parts, EVA30-40 parts, 4-9 parts of polyvinylidene fluoride,
It is 4-8 parts of sorbierite, 7-10 parts of toluene di-isocyanate(TDI), 1-4 parts of hydrochloric acid, 3-6 parts of alkyl betaine, 4-8 parts of open-chain crown ether, poly-
4-12 parts of sorbitol ester, 15-20 parts of 50% sodium hydrate aqueous solution, 6-8 parts of nanometer boron fibre, 30-40 parts of waterglass, thiocarbamide 2-
5 parts, 8-20 parts of cellulose diacetate, 3-6 parts of aluminic acid vinegar coupling agent；In above-mentioned various materials input low speed mixer, stir
10-17min is mixed, mixing speed is that 250-340 turns/min, is well mixed；Then by mixed raw material double screw extruder
Carry out extrusion processing, pelletizing, low temperature drying.
Weigh by weight PVC88 parts, EVA35 parts, 6 parts of polyvinylidene fluoride, 6 parts of sorbierite, toluene di-isocyanate(TDI) 8
Part, 3 parts of hydrochloric acid, 5 parts of alkyl betaine, 6 parts of open-chain crown ether, 8 parts of polysorbate, 17 parts of 50% sodium hydrate aqueous solution,
7 parts of boron fibre of nanometer, 35 parts of waterglass, 3 parts of thiocarbamide, 11 parts of cellulose diacetate, 4 parts of aluminic acid vinegar coupling agent.
The mixing speed is that 280-320 turns/min.
The double screw extruder parameter is set to：One 80-150 DEG C of area, two 100-150 DEG C of areas, three 120-170 DEG C of areas,
Four 130-180 DEG C of areas, five 150-200 DEG C of areas, six 150-200 DEG C of areas, seven 150-220 DEG C of areas, eight 150-220 DEG C of areas, 9th area
150-220℃。
The engine speed 50-250 rpm of the double screw extruder, feeding rotating speed 5-25 rpm.
The invention has the advantages that：The preparation method flow of the present invention is shorter, and simple to operate, cost is low, to ring
Border is friendly, high financial profit.Compared with prior art, the nano composite material that the method provided by the present invention is prepared has excellent tough
Property and low migration energy, and the performance such as other physics, chemistry and machinery, be superior to the performance of existing Related product on the market.
Embodiment
Embodiment 1
A kind of preparation method of the low migration PVC nano composite materials of high tenacity, comprises the following steps：First PVC85 is weighed by weight
Part, EVA30 parts, 4 parts of polyvinylidene fluoride, 4 parts of sorbierite, 7 parts of toluene di-isocyanate(TDI), 1-4 parts of hydrochloric acid, alkyl betaine 3
Part, 4 parts of open-chain crown ether, 4 parts of polysorbate, 6 parts of 50% sodium hydrate aqueous solution, 15 part, nanometer boron fibre, waterglass 30
Part, 2 parts of thiocarbamide, 8 parts of cellulose diacetate, 3 parts of aluminic acid vinegar coupling agent；Above-mentioned various materials are put into low speed mixer,
10-17min is stirred, mixing speed is that 250-340 turns/min, is well mixed；Then by mixed raw material twin-screw extrusion
Machine carries out extrusion processing, pelletizing, low temperature drying.The double screw extruder parameter is set to：One 80-150 DEG C of area, 2nd area
100-150 DEG C, three 120-170 DEG C of areas, four 130-180 DEG C of areas, five 150-200 DEG C of areas, six 150-200 DEG C of areas, seven area 150-220
DEG C, eight 150-220 DEG C of areas, nine 150-220 DEG C of areas, engine speed 50-250 rpm, feeding rotating speed 5-25 rpm.
Embodiment 2
A kind of preparation method of the low migration PVC nano composite materials of high tenacity, comprises the following steps：First PVC90 is weighed by weight
Part, EVA40 parts, 9 parts of polyvinylidene fluoride, 8 parts of sorbierite, 10 parts of toluene di-isocyanate(TDI), 4 parts of hydrochloric acid, alkyl betaine 6
Part, 8 parts of open-chain crown ether, 12 parts of polysorbate, 8 parts of 50% sodium hydrate aqueous solution, 20 part, nanometer boron fibre, waterglass 40
Part, 5 parts of thiocarbamide, 20 parts of cellulose diacetate, 6 parts of aluminic acid vinegar coupling agent；Above-mentioned various materials are put into low speed mixer,
10-17min is stirred, mixing speed is that 250-340 turns/min, is well mixed；Then by mixed raw material twin-screw extrusion
Machine carries out extrusion processing, pelletizing, low temperature drying.The double screw extruder parameter is set to：One 80-150 DEG C of area, 2nd area
100-150 DEG C, three 120-170 DEG C of areas, four 130-180 DEG C of areas, five 150-200 DEG C of areas, six 150-200 DEG C of areas, seven area 150-220
DEG C, eight 150-220 DEG C of areas, nine 150-220 DEG C of areas, engine speed 50-250 rpm, feeding rotating speed 5-25 rpm.
Embodiment 3
A kind of preparation method of the low migration PVC nano composite materials of high tenacity, comprises the following steps：First PVC88 is weighed by weight
Part, EVA35 parts, 6 parts of polyvinylidene fluoride, 6 parts of sorbierite, 8 parts of toluene di-isocyanate(TDI), 3 parts of hydrochloric acid, 5 parts of alkyl betaine,
6 parts of open-chain crown ether, 8 parts of polysorbate, 7 parts of 50% sodium hydrate aqueous solution, 17 part, nanometer boron fibre, 35 parts of waterglass,
3 parts of thiocarbamide, 11 parts of cellulose diacetate, 4 parts of aluminic acid vinegar coupling agent；In above-mentioned various materials input low speed mixer, stir
10-17min is mixed, mixing speed is that 280-320 turns/min, is well mixed；Then by mixed raw material double screw extruder
Carry out extrusion processing, pelletizing, low temperature drying.The double screw extruder parameter is set to：One 80-150 DEG C of area, 2nd area
100-150 DEG C, three 120-170 DEG C of areas, four 130-180 DEG C of areas, five 150-200 DEG C of areas, six 150-200 DEG C of areas, seven area 150-220
DEG C, eight 150-220 DEG C of areas, nine 150-220 DEG C of areas, engine speed 50-250 rpm, feeding rotating speed 5-25 rpm.
Claims (5)
1. a kind of preparation method of the low migration PVC nano composite materials of high tenacity, it is characterised in that methods described includes following step
Suddenly：First weigh by weight PVC85-90 parts, EVA30-40 parts, 4-9 parts of polyvinylidene fluoride, 4-8 parts of sorbierite, toluene diisocyanate
7-10 parts of acid esters, 1-4 parts of hydrochloric acid, 3-6 parts of alkyl betaine, 4-8 parts of open-chain crown ether, 4-12 parts of polysorbate, 50% hydrogen
15-20 parts of aqueous solution of sodium oxide, 6-8 parts of nanometer boron fibre, 30-40 parts of waterglass, 2-5 parts of thiocarbamide, cellulose diacetate 8-20
Part, 3-6 parts of aluminic acid vinegar coupling agent；In above-mentioned various materials input low speed mixer, 10-17min is stirred, mixing speed is
250-340 turns/min, is well mixed；Then mixed raw material is subjected to extrusion processing, pelletizing, low temperature with double screw extruder
Drying.
2. a kind of preparation method of the low migration PVC nano composite materials of high tenacity according to claim 1, its feature exists
In：Weigh by weight PVC88 parts, EVA35 parts, 6 parts of polyvinylidene fluoride, 6 parts of sorbierite, 8 parts of toluene di-isocyanate(TDI), hydrochloric acid
3 parts, 5 parts of alkyl betaine, 6 parts of open-chain crown ether, 8 parts of polysorbate, 50% sodium hydrate aqueous solution 17 part, nanometer boron fibre
7 parts of dimension, 35 parts of waterglass, 3 parts of thiocarbamide, 11 parts of cellulose diacetate, 4 parts of aluminic acid vinegar coupling agent.
3. a kind of preparation method of the low migration PVC nano composite materials of high tenacity according to claim 1, its feature exists
In：The mixing speed is that 280-320 turns/min.
4. a kind of preparation method of the low migration PVC nano composite materials of high tenacity according to claim 1, its feature exists
In：The double screw extruder parameter is set to：One 80-150 DEG C of area, two 100-150 DEG C of areas, three 120-170 DEG C of areas, 4th area
130-180 DEG C, five 150-200 DEG C of areas, six 150-200 DEG C of areas, seven 150-220 DEG C of areas, eight 150-220 DEG C of areas, nine area 150-220
℃。
5. a kind of preparation method of the low migration PVC nano composite materials of high tenacity according to claim 1, its feature exists
In：
The engine speed 50-250 rpm of the double screw extruder, feeding rotating speed 5-25 rpm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710468241.2A CN107163439A (en) | 2017-06-20 | 2017-06-20 | A kind of preparation method of the low migration PVC nano composite materials of high tenacity |
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| CN201710468241.2A CN107163439A (en) | 2017-06-20 | 2017-06-20 | A kind of preparation method of the low migration PVC nano composite materials of high tenacity |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070860A (en) * | 2010-12-29 | 2011-05-25 | 上海新上化高分子材料有限公司 | Low-migration-separation polyvinyl chloride material and preparation method thereof |
| CN103396625A (en) * | 2013-07-15 | 2013-11-20 | 安徽省振云塑胶有限公司 | PVDF (Polyvinylidene Fluoride) toughened PVC (Polyvinyl Chloride) and preparation method thereof |
| CN104109323A (en) * | 2014-07-31 | 2014-10-22 | 东莞市祺龙电业有限公司 | Migration-resistant environment-friendly PVC (Polyvinyl Chloride) modified material and preparation method thereof |
-
2017
- 2017-06-20 CN CN201710468241.2A patent/CN107163439A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070860A (en) * | 2010-12-29 | 2011-05-25 | 上海新上化高分子材料有限公司 | Low-migration-separation polyvinyl chloride material and preparation method thereof |
| CN103396625A (en) * | 2013-07-15 | 2013-11-20 | 安徽省振云塑胶有限公司 | PVDF (Polyvinylidene Fluoride) toughened PVC (Polyvinyl Chloride) and preparation method thereof |
| CN104109323A (en) * | 2014-07-31 | 2014-10-22 | 东莞市祺龙电业有限公司 | Migration-resistant environment-friendly PVC (Polyvinyl Chloride) modified material and preparation method thereof |
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Application publication date: 20170915 |
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