CN109161129A - A kind of PVC heat shrink films - Google Patents
A kind of PVC heat shrink films Download PDFInfo
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- CN109161129A CN109161129A CN201810942803.7A CN201810942803A CN109161129A CN 109161129 A CN109161129 A CN 109161129A CN 201810942803 A CN201810942803 A CN 201810942803A CN 109161129 A CN109161129 A CN 109161129A
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C08J2327/00—Characterised by the use 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2409/02—Copolymers with acrylonitrile
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2413/00—Characterised by the use of rubbers containing carboxyl groups
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- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2481/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2481/04—Polysulfides
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- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
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- 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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
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Abstract
The invention discloses a kind of PVC heat shrink films, the raw material including following weight proportion is made: 100-120 parts of polyvinyl chloride resin, 10-15 parts of epoxidized soybean oil, 3-6 parts of modified butadiene acrylonitrile rubber, 2-3 parts of lubricant, 3-5 parts of toughener, 5-7 parts of reinforcing fiber, 5-6 parts of dispersing agent, 3-5 parts of plasticizer.The shortcomings that reasonable raw material proportioning of the present invention, the tensile strength of PVC shrink film and shrinkage be not high in the prior art for very good solution, has limited to application of the PVC shrink film in all kinds of commodity, the PVC heat shrink films using effect of preparation is good, pollution-free, market value is high, convenient for promoting and using.
Description
Technical field
The present invention relates to technical field of polymer materials more particularly to a kind of PVC heat shrink films.
Background technique
Polyvinyl chloride, English abbreviation PVC are the thermoplastic resins being polymerized under initiator effect by vinyl chloride, are
The homopolymer of vinyl chloride.Ryuron and vinyl chloride copolymer system are referred to as vinyl chloride resin.PVC is amorphous structure
White powder, the degree of branching are smaller.Industrial PVC molecular weight has biggish polydispersion generally in 50,000-12 ten thousand ranges
Property, the reduction of molecular weight with polymerisation temperature and increase；Without definite melting point, 80-85 DEG C starts to soften, and 130 DEG C become viscoelastic state,
160-180 DEG C starts to be changed into viscous state；There are preferable mechanical performance, tensile strength 60MPa or so, impact strength 5-10kJ/
m2；There are excellent dielectric properties.
PVC heat shrink films are widely used in wine product, food, sporting goods, sterilizing dinnerware, electronic apparatus, daily necessities, technique
The packaging of product, health care product, toy, portal, plastic cement hardware, glass ceramics etc. all kinds of commodity, main function are to consolidate, cover
With protection product, make the distincter beauty of its shape, improve product packaging class, to product rise it is dust-proof, the protective effects such as recklessly spend.
In order to guarantee packaging of the PVC heat shrink films on all kinds of commodity, for the cold resistance of PVC heat shrink films, toughness and shrinking percentage
It is more demanding.The tensile strength and shrinkage of the PVC shrink film of existing market be not high, has limited to PVC shrink film all kinds of
Application in commodity.A kind of PVC heat shrink films are proposed thus.
Summary of the invention
The purpose of the present invention is to solve the tensile strength of PVC shrink film in the prior art and shrinkage be not high,
The shortcomings that having limited to application of the PVC shrink film in all kinds of commodity, and a kind of PVC heat shrink films proposed.
To achieve the goals above, present invention employs following technical solutions:
Design a kind of PVC heat shrink films, be made of the raw material of following weight proportion: 100-120 parts of polyvinyl chloride resin, epoxy are big
10-15 parts of soya-bean oil, 3-6 parts of modified butadiene acrylonitrile rubber, 2-3 parts of lubricant, 3-5 parts of toughener, 5-7 parts of reinforcing fiber, dispersing agent 5-6
Part, 3-5 parts of plasticizer.
Preferably, it is made of the raw material of following weight proportion: 120 parts of polyvinyl chloride resin, 15 parts of epoxidized soybean oil, modified butyronitrile
6 parts of rubber, 3 parts of lubricant, 5 parts of toughener, 7 parts of reinforcing fiber, 6 parts of dispersing agent, 5 parts of plasticizer.
Preferably, it is made of the raw material of following weight proportion: 100 parts of polyvinyl chloride resin, 10 parts of epoxidized soybean oil, modified butyronitrile
3 parts of rubber, 2 parts of lubricant, 3 parts of toughener, 5 parts of reinforcing fiber, 5 parts of dispersing agent, 3 parts of plasticizer.
Preferably, it is made of the raw material of following weight proportion: 110 parts of polyvinyl chloride resin, 12 parts of epoxidized soybean oil, modified butyronitrile
3 parts of rubber, 3 parts of lubricant, 3 parts of toughener, 6 parts of reinforcing fiber, 6 parts of dispersing agent, 4 parts of plasticizer.
Preferably, the modified butadiene acrylonitrile rubber the preparation method comprises the following steps: by 40 parts of nitrile rubbers, 8 parts of reinforcing fillers, 3 parts
Anti-aging agent is kneaded, and temperature is 150 DEG C, and mixing time is 25min to get nitrile rubber masterbatch；Then 0.5 part of sulphur is added
Agent carries out mill, and assists taking power as the microwave of 500-600w, and the mill time is 15min to get modified butadiene acrylonitrile rubber.
Preferably, the lubricant is in-lubricant, and the in-lubricant is butyl stearate, lead stearate clothing mass ratio
For the mixture of 1:2.
Preferably, the toughener is one of carboxyl liquid nitrile rubber, polysulfide rubber, polyamide or more
Kind.
Preferably, the dispersing agent is organic dispersing agent, and the organic dispersing agent is triethyl group hexyl phosphoric acid, dodecyl
Two kinds in sodium sulphate, methyl anyl alcohol are the mixture of 1:2 with mass ratio.
Preferably, the plasticizer is phthalic acid ester.
Phthalic acid ester is mainly used for pvc material, and polyvinyl chloride is enabled to become flexible plastic cement from hard plastic,
Play the role of plasticizer.
The present invention also provides a kind of preparation methods of PVC heat shrink films, include the following steps:
1) weigh the polyvinyl chloride resin of formula ratio, epoxidized soybean oil, modified butadiene acrylonitrile rubber, lubricant, toughener, reinforcing fiber,
Mixed processing 5-8min in Mixers with Multi-direction Movement is added in dispersing agent, plasticizer；
2) the uniformly mixed material for obtaining step 1) is delivered in reaction kettle, and temperature is increased to 170-220 DEG C, pressure
Drop to 70Pa hereinafter, with this condition reaction 3-6h obtain polymer melt, then by polymer melt extrusions of preparation, pelletizing, do
It is dry, obtain PVC polyester slice；
3) melting extrusion of PVC polyester slice, die head slab, slab spooling, biaxial tension, the cooling obtained step 2) is fixed
Type, measurement thickness, winding, cutting and rewinding, packaging, finished product are to get required PVC heat shrink films.
A kind of PVC heat shrink films proposed by the present invention, beneficial effect are:
The present invention by using polyvinyl chloride resin as primary raw material, auxiliary addition epoxidized soybean oil, modified butadiene acrylonitrile rubber, lubricant,
Toughener, reinforcing fiber, dispersing agent and plasticizer play synergistic effect as auxiliary agent, each component, and the PVC heat shrink films of preparation are not only
Tensile strength with higher also has stronger shrinkage, and the excellent transparency and toughness, using effect is good.
Present invention process process is succinct, reasonable raw material proportioning, the very good solution stretching of PVC shrink film in the prior art
The PVC of the shortcomings that intensity and shrinkage be not high, has limited to application of the PVC shrink film in all kinds of commodity, preparation is heat-shrinked
Film using effect is good, pollution-free, and market value is high, convenient for promoting and using.
Specific embodiment
It is clearly and completely described below in conjunction with the technical solution in the embodiment of the present invention, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.
Embodiment 1
A kind of PVC heat shrink films, are made of the raw material of following weight proportion: 120 parts of polyvinyl chloride resin, 15 parts of epoxidized soybean oil,
6 parts of modified butadiene acrylonitrile rubber, 3 parts of lubricant, 5 parts of toughener, 7 parts of reinforcing fiber, 6 parts of dispersing agent, 5 parts of plasticizer.
Wherein, modified butadiene acrylonitrile rubber the preparation method comprises the following steps: by 40 parts of nitrile rubbers, 8 parts of reinforcing fillers, 3 parts of anti-aging agents
It is kneaded, temperature is 150 DEG C, and mixing time is 25min to get nitrile rubber masterbatch；Then be added 0.5 part of vulcanizing agent into
Row mill, and assist taking power as the microwave of 500-600w, the mill time is 15min to get modified butadiene acrylonitrile rubber.
Wherein, lubricant is in-lubricant, and in-lubricant is butyl stearate, lead stearate clothing mass ratio is the mixed of 1:2
Close object.
Wherein, toughener is carboxyl liquid nitrile rubber.
Wherein, dispersing agent is organic dispersing agent, organic dispersing agent be triethyl group hexyl phosphoric acid and lauryl sodium sulfate with
Mass ratio is the mixture of 1:2.
Wherein, plasticizer is phthalic acid ester.
A kind of preparation method of PVC heat shrink films, includes the following steps:
1) weigh the polyvinyl chloride resin of formula ratio, epoxidized soybean oil, modified butadiene acrylonitrile rubber, lubricant, toughener, reinforcing fiber,
Mixed processing 5-8min in Mixers with Multi-direction Movement is added in dispersing agent, plasticizer；
2) the uniformly mixed material for obtaining step 1) is delivered in reaction kettle, and temperature is increased to 170-220 DEG C, pressure
Drop to 70Pa hereinafter, with this condition reaction 3-6h obtain polymer melt, then by polymer melt extrusions of preparation, pelletizing, do
It is dry, obtain PVC polyester slice；
3) melting extrusion of PVC polyester slice, die head slab, slab spooling, biaxial tension, the cooling obtained step 2) is fixed
Type, measurement thickness, winding, cutting and rewinding, packaging, finished product are to get required PVC heat shrink films.
Embodiment 2
A kind of PVC heat shrink films, are made of the raw material of following weight proportion: 100 parts of polyvinyl chloride resin, 10 parts of epoxidized soybean oil,
3 parts of modified butadiene acrylonitrile rubber, 2 parts of lubricant, 3 parts of toughener, 5 parts of reinforcing fiber, 5 parts of dispersing agent, 3 parts of plasticizer.
Wherein, modified butadiene acrylonitrile rubber the preparation method comprises the following steps: by 40 parts of nitrile rubbers, 8 parts of reinforcing fillers, 3 parts of anti-aging agents
It is kneaded, temperature is 150 DEG C, and mixing time is 25min to get nitrile rubber masterbatch；Then be added 0.5 part of vulcanizing agent into
Row mill, and assist taking power as the microwave of 500-600w, the mill time is 15min to get modified butadiene acrylonitrile rubber.
Wherein, lubricant is in-lubricant, and in-lubricant is butyl stearate, lead stearate clothing mass ratio is the mixed of 1:2
Close object.
Wherein, toughener is one of carboxyl liquid nitrile rubber, polysulfide rubber, polyamide or a variety of.
Wherein, dispersing agent is organic dispersing agent, and organic dispersing agent is that lauryl sodium sulfate, methyl anyl alcohol are with mass ratio
The mixture of 1:2.
Wherein, plasticizer is phthalic acid ester.
A kind of preparation method of PVC heat shrink films, includes the following steps:
1) weigh the polyvinyl chloride resin of formula ratio, epoxidized soybean oil, modified butadiene acrylonitrile rubber, lubricant, toughener, reinforcing fiber,
Mixed processing 5-8min in Mixers with Multi-direction Movement is added in dispersing agent, plasticizer；
2) the uniformly mixed material for obtaining step 1) is delivered in reaction kettle, and temperature is increased to 170-220 DEG C, pressure
Drop to 70Pa hereinafter, with this condition reaction 3-6h obtain polymer melt, then by polymer melt extrusions of preparation, pelletizing, do
It is dry, obtain PVC polyester slice；
3) melting extrusion of PVC polyester slice, die head slab, slab spooling, biaxial tension, the cooling obtained step 2) is fixed
Type, measurement thickness, winding, cutting and rewinding, packaging, finished product are to get required PVC heat shrink films.
Embodiment 3
A kind of PVC heat shrink films, are made of the raw material of following weight proportion: 110 parts of polyvinyl chloride resin, 12 parts of epoxidized soybean oil,
3 parts of modified butadiene acrylonitrile rubber, 3 parts of lubricant, 3 parts of toughener, 6 parts of reinforcing fiber, 6 parts of dispersing agent, 4 parts of plasticizer.
Wherein, modified butadiene acrylonitrile rubber the preparation method comprises the following steps: by 40 parts of nitrile rubbers, 8 parts of reinforcing fillers, 3 parts of anti-aging agents
It is kneaded, temperature is 150 DEG C, and mixing time is 25min to get nitrile rubber masterbatch；Then be added 0.5 part of vulcanizing agent into
Row mill, and assist taking power as the microwave of 500-600w, the mill time is 15min to get modified butadiene acrylonitrile rubber.
Wherein, lubricant is in-lubricant, and in-lubricant is butyl stearate, lead stearate clothing mass ratio is the mixed of 1:2
Close object.
Wherein, toughener is one of carboxyl liquid nitrile rubber, polysulfide rubber, polyamide or a variety of.
Wherein, dispersing agent is organic dispersing agent, and organic dispersing agent is that triethyl group hexyl phosphoric acid, methyl anyl alcohol are with mass ratio
The mixture of 1:2.
Wherein, plasticizer is phthalic acid ester.
A kind of preparation method of PVC heat shrink films, includes the following steps:
1) weigh the polyvinyl chloride resin of formula ratio, epoxidized soybean oil, modified butadiene acrylonitrile rubber, lubricant, toughener, reinforcing fiber,
Mixed processing 5-8min in Mixers with Multi-direction Movement is added in dispersing agent, plasticizer；
2) the uniformly mixed material for obtaining step 1) is delivered in reaction kettle, and temperature is increased to 170-220 DEG C, pressure
Drop to 70Pa hereinafter, with this condition reaction 3-6h obtain polymer melt, then by polymer melt extrusions of preparation, pelletizing, do
It is dry, obtain PVC polyester slice；
3) melting extrusion of PVC polyester slice, die head slab, slab spooling, biaxial tension, the cooling obtained step 2) is fixed
Type, measurement thickness, winding, cutting and rewinding, packaging, finished product are to get required PVC heat shrink films.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of PVC heat shrink films, it is characterised in that: be made of the raw material of following weight proportion: 100-120 parts of polyvinyl chloride resin, ring
10-15 parts of oxygen soybean oil, 3-6 parts of modified butadiene acrylonitrile rubber, 2-3 parts of lubricant, 3-5 parts of toughener, 5-7 parts of reinforcing fiber, dispersion
5-6 parts of agent, 3-5 parts of plasticizer.
2. a kind of PVC heat shrink films according to claim 1, it is characterised in that: be made of the raw material of following weight proportion:
120 parts of polyvinyl chloride resin, 15 parts of epoxidized soybean oil, 6 parts of modified butadiene acrylonitrile rubber, 3 parts of lubricant, 5 parts of toughener, 7 parts of reinforcing fiber,
6 parts of dispersing agent, 5 parts of plasticizer.
3. a kind of PVC heat shrink films according to claim 1, it is characterised in that: be made of the raw material of following weight proportion:
100 parts of polyvinyl chloride resin, 10 parts of epoxidized soybean oil, 3 parts of modified butadiene acrylonitrile rubber, 2 parts of lubricant, 3 parts of toughener, 5 parts of reinforcing fiber,
5 parts of dispersing agent, 3 parts of plasticizer.
4. a kind of PVC heat shrink films according to claim 1, it is characterised in that: be made of the raw material of following weight proportion:
110 parts of polyvinyl chloride resin, 12 parts of epoxidized soybean oil, 3 parts of modified butadiene acrylonitrile rubber, 3 parts of lubricant, 3 parts of toughener, 6 parts of reinforcing fiber,
6 parts of dispersing agent, 4 parts of plasticizer.
5. a kind of PVC heat shrink films according to claim 1, it is characterised in that: the preparation side of the modified butadiene acrylonitrile rubber
Method are as follows: be kneaded 40 parts of nitrile rubbers, 8 parts of reinforcing fillers, 3 parts of anti-aging agents, temperature is 150 DEG C, and mixing time is
25min is to get nitrile rubber masterbatch；Then 0.5 part of vulcanizing agent is added and carries out mill, and assists with power being 500-600w's
Microwave, mill time are 15min to get modified butadiene acrylonitrile rubber.
6. a kind of PVC heat shrink films according to claim 1, it is characterised in that: the lubricant is in-lubricant, described
The mixture that in-lubricant is butyl stearate, lead stearate clothing mass ratio is 1:2.
7. a kind of PVC heat shrink films according to claim 1, it is characterised in that: the toughener is carboxyl liquid butyronitrile
One of rubber, polysulfide rubber, polyamide are a variety of.
8. a kind of PVC heat shrink films according to claim 1, it is characterised in that: the dispersing agent is organic dispersing agent, institute
State organic dispersing agent be triethyl group hexyl phosphoric acid, lauryl sodium sulfate, two kinds in methyl anyl alcohol with mass ratio for the mixed of 1:2
Close object.
9. a kind of PVC heat shrink films according to claim 1, it is characterised in that: the plasticizer is phthalic acid ester.
10. the preparation method of PVC heat shrink films described in a kind of claim 1, characterized by the following steps:
1) polyvinyl chloride resin, epoxidized soybean oil, modified butadiene acrylonitrile rubber, lubricant, the toughener, reinforcing fiber, dispersion of formula ratio are weighed
Mixed processing 5-8min in Mixers with Multi-direction Movement is added in agent, plasticizer；
2) the uniformly mixed material for obtaining step 1) is delivered in reaction kettle, and temperature is increased to 170-220 DEG C, and pressure drops to
70Pa obtains polymer melt hereinafter, reacting 3-6h with this condition, then by the polymer melt extrusion of preparation, pelletizing, drying, obtains
It is sliced to PVC polyester；
3) the PVC polyester slice melting extrusion that obtains step 2), die head slab, slab spooling, biaxial tension, cooling and shaping,
Thickness, winding, cutting and rewinding, packaging, finished product are measured to get required PVC heat shrink films.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810942803.7A CN109161129A (en) | 2018-08-17 | 2018-08-17 | A kind of PVC heat shrink films |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810942803.7A CN109161129A (en) | 2018-08-17 | 2018-08-17 | A kind of PVC heat shrink films |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114316468A (en) * | 2021-12-28 | 2022-04-12 | 苏州锐驰朗新材料有限公司 | High-toughness polyvinyl chloride sheet |
-
2018
- 2018-08-17 CN CN201810942803.7A patent/CN109161129A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114316468A (en) * | 2021-12-28 | 2022-04-12 | 苏州锐驰朗新材料有限公司 | High-toughness polyvinyl chloride sheet |
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