CN104140590A - Thermal shrinkage-resistant polypropylene film material and preparation method thereof - Google Patents
Thermal shrinkage-resistant polypropylene film material and preparation method thereof Download PDFInfo
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- CN104140590A CN104140590A CN201410282103.1A CN201410282103A CN104140590A CN 104140590 A CN104140590 A CN 104140590A CN 201410282103 A CN201410282103 A CN 201410282103A CN 104140590 A CN104140590 A CN 104140590A
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- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2479/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- 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
Abstract
The invention relates to a thermal shrinkage-resistant polypropylene film material and a preparation method thereof. The thermal shrinkage-resistant polypropylene film material consists of the following components in parts by weight: 25-30 parts of polypropylene, 15-18 parts of polyimide, 8-14 parts of polydipropyl terephthalate, 3-4 parts of propylidene diol, 2-5 parts of isophthalic acid, 6-7 parts of dicyclopentadiene and 2-3 parts of styrene. The preparation method for the thermal shrinkage-resistant polypropylene film material is as follows: mixing, melting, extruding, calendering and film-forming. The prepared polypropylene film material overcomes a problem that the common polypropylene film material is easy to shrink while being heated.
Description
Technical field
The invention belongs to polymeric material field, relate to a kind of thin-film material and preparation method thereof, particularly relate to polypropylene film material of a kind of heat resistanceheat resistant contraction and preparation method thereof.
Background technology
The wrapping material that film preparation obtains are used to be packaged in the outside of various article.These article are after by packed in thin film, under one stable condition, also need through pyroprocessing, as it carried out to sterilizing or some other high temperature program, in the process that stands high temperature, if it is poor to be packaged in the heat resistanceheat resistant shrinkage of thin-film material of exterior, in TRANSIENT HIGH TEMPERATURE or when long under the processing of high temperature, the thin-film material of packaging or the phenomenon shrinking, the problem of these existence has restricted the use of thin-film material.
Polypropylene film material has larger share of market in packaging, and polypropylene film material is after heating, and it has suitable shrinkage rates, after polypropylene material shrinks, has dwindled the size of exterior packaging, has affected it and has normally used.
Summary of the invention
The technical problem solving: conventional polypropylene film material is after heating, and it has suitable shrinkage rates, after polypropylene material shrinks, has dwindled the size of exterior packaging, has affected it and has normally used.
Technical scheme: for the problems referred to above, the invention discloses the polypropylene film material that a kind of heat resistanceheat resistant is shunk, the polypropylene film material that heat resistanceheat resistant is shunk is made up of according to weight ratio following composition:
Polipropene 25～30 part,
15～18 parts of polyimide,
8～14 parts of poly terephthalic acid dipropyls,
3～4 parts of trimethylene glycols,
2～5 parts of m-phthalic acids,
6～7 parts of dicyclopentadienes,
2～3 parts of vinylbenzene.
The polypropylene film material that described a kind of heat resistanceheat resistant is shunk, the polypropylene film material that heat resistanceheat resistant is shunk is preferably made up of according to weight ratio following composition:
28～30 parts of polypropylene,
17～18 parts of polyimide,
11～14 parts of poly terephthalic acid dipropyls,
3～4 parts of trimethylene glycols,
2～5 parts of m-phthalic acids,
6～7 parts of dicyclopentadienes,
2～3 parts of vinylbenzene.
The preparation method of the polypropylene film material that described a kind of heat resistanceheat resistant is shunk, the preparation method of described polypropylene film material comprises the steps:
(1) getting polypropylene is that 25～30 parts, polyimide are that 15～18 parts, poly terephthalic acid dipropyl are that 8～14 parts, trimethylene glycol are that 3～4 parts, m-phthalic acid are that 2～5 parts, dicyclopentadiene are that 6～7 parts, vinylbenzene are 2～3 parts, polypropylene, polyimide, poly terephthalic acid dipropyl, trimethylene glycol, m-phthalic acid, dicyclopentadiene and vinylbenzene is all put into mixing machine and carry out high-temperature fusion mixing;
(2) mixed high-temperature fusion thin-film material is carried out to twin screw extruding, extrusion temperature is segmented into: first paragraph is 177～184 DEG C, and second segment is 191～195 DEG C, and the 3rd section is 201～206 DEG C;
(3) the mixed film material after extruding is suppressed, after compacting, again to mixed film material extending, obtained the polypropylene film material of anti-contraction.
The preparation method of the polypropylene film material that described a kind of heat resistanceheat resistant is shunk, in preparation method, polyimide is preferably 18 parts.
The preparation method of the polypropylene film material that described a kind of heat resistanceheat resistant is shunk, in preparation method, dicyclopentadiene is preferably 6 parts.
Beneficial effect: the composition material by the polypropylene film material to conventional carries out Combined Processing, the polypropylene film material obtaining has overcome conventional polypropylene film material shrinkable problem after being heated, reduce the shrinking percentage of polypropylene film material, 30min is heated at 150 DEG C, shrinking percentage only has 0.9% to 1.4%, and shrinking percentage is very low.
Embodiment
Embodiment 1
(1) getting polypropylene is that 28kg, polyimide are that 17kg, poly terephthalic acid dipropyl are that 11kg, trimethylene glycol are that 4kg, m-phthalic acid are that 2kg, dicyclopentadiene are that 7kg, vinylbenzene are 2kg, polypropylene, polyimide, poly terephthalic acid dipropyl, trimethylene glycol, m-phthalic acid, dicyclopentadiene and vinylbenzene is all put into mixing machine and carry out high-temperature fusion mixing;
(2) mixed high-temperature fusion thin-film material is carried out to twin screw extruding, extrusion temperature is segmented into: first paragraph is 184 DEG C, and second segment is 195 DEG C, and the 3rd section is 201 DEG C;
(3) the mixed film material after extruding is suppressed, after compacting, again to mixed film material extending, obtained the polypropylene film material of anti-contraction.
Embodiment 2
(1) getting polypropylene is that 30kg, polyimide are that 15kg, poly terephthalic acid dipropyl are that 8kg, trimethylene glycol are that 3kg, m-phthalic acid are that 4kg, dicyclopentadiene are that 7kg, vinylbenzene are 3kg, polypropylene, polyimide, poly terephthalic acid dipropyl, trimethylene glycol, m-phthalic acid, dicyclopentadiene and vinylbenzene is all put into mixing machine and carry out high-temperature fusion mixing;
(2) mixed high-temperature fusion thin-film material is carried out to twin screw extruding, extrusion temperature is segmented into: first paragraph is 177 DEG C, and second segment is 191 DEG C, and the 3rd section is 204 DEG C;
(3) the mixed film material after extruding is suppressed, after compacting, again to mixed film material extending, obtained the polypropylene film material of anti-contraction.
Embodiment 3
(1) getting polypropylene is that 25kg, polyimide are that 18kg, poly terephthalic acid dipropyl are that 14kg, trimethylene glycol are that 4kg, m-phthalic acid are that 5kg, dicyclopentadiene are that 6kg, vinylbenzene are 2kg, polypropylene, polyimide, poly terephthalic acid dipropyl, trimethylene glycol, m-phthalic acid, dicyclopentadiene and vinylbenzene is all put into mixing machine and carry out high-temperature fusion mixing;
(2) mixed high-temperature fusion thin-film material is carried out to twin screw extruding, extrusion temperature is segmented into: first paragraph is 180 DEG C, and second segment is 193 DEG C, and the 3rd section is 206 DEG C;
(3) the mixed film material after extruding is suppressed, after compacting, again to mixed film material extending, obtained the polypropylene film material of anti-contraction.
By embodiment 1, embodiment 2, embodiment 3, polypropylene film material, all at 150 times 20min to 40min that are heated, shrinking percentage numerical value is as follows.
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Polypropylene film |
| Shrinking percentage | 0.9% | 1.4% | 1.2% | 3.5% |
Contrast, can see that the anti-contracility of polypropylene film material of the present invention can be better than common polypropylene film material by experiment.
Claims (5)
1. the polypropylene film material that heat resistanceheat resistant is shunk, is characterized in that the polypropylene film material that heat resistanceheat resistant is shunk is made up of according to weight ratio following composition:
Polipropene 25～30 part,
15～18 parts of polyimide,
8～14 parts of poly terephthalic acid dipropyls,
3～4 parts of trimethylene glycols,
2～5 parts of m-phthalic acids,
6～7 parts of dicyclopentadienes,
2～3 parts of vinylbenzene.
2. the polypropylene film material that a kind of heat resistanceheat resistant according to claim 1 is shunk, is characterized in that the polypropylene film material that heat resistanceheat resistant is shunk is made up of according to weight ratio following composition:
28～30 parts of polypropylene,
17～18 parts of polyimide,
11～14 parts of poly terephthalic acid dipropyls,
3～4 parts of trimethylene glycols,
2～5 parts of m-phthalic acids,
6～7 parts of dicyclopentadienes,
2～3 parts of vinylbenzene.
3. the preparation method of the polypropylene film material that a kind of heat resistanceheat resistant according to claim 1 is shunk, is characterized in that the preparation method of described polypropylene film material comprises the steps:
(1) getting polypropylene is that 25～30 parts, polyimide are that 15～18 parts, poly terephthalic acid dipropyl are that 8～14 parts, trimethylene glycol are that 3～4 parts, m-phthalic acid are that 2～5 parts, dicyclopentadiene are that 6～7 parts, vinylbenzene are 2～3 parts, polypropylene, polyimide, poly terephthalic acid dipropyl, trimethylene glycol, m-phthalic acid, dicyclopentadiene and vinylbenzene is all put into mixing machine and carry out high-temperature fusion mixing;
(2) mixed high-temperature fusion thin-film material is carried out to twin screw extruding, extrusion temperature is segmented into: first paragraph is 177～184 DEG C, and second segment is 191～195 DEG C, and the 3rd section is 201～206 DEG C;
(3) the mixed film material after extruding is suppressed, after compacting, again to mixed film material extending, obtained the polypropylene film material of anti-contraction.
4. the preparation method of the polypropylene film material that a kind of heat resistanceheat resistant according to claim 3 is shunk, is characterized in that in described preparation method, polyimide is 18 parts.
5. the preparation method of the polypropylene film material that a kind of heat resistanceheat resistant according to claim 3 is shunk, is characterized in that the dicyclopentadiene described in preparation method is 6 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410282103.1A CN104140590A (en) | 2014-06-23 | 2014-06-23 | Thermal shrinkage-resistant polypropylene film material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410282103.1A CN104140590A (en) | 2014-06-23 | 2014-06-23 | Thermal shrinkage-resistant polypropylene film material and preparation method thereof |
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| CN104140590A true CN104140590A (en) | 2014-11-12 |
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|---|---|---|---|
| CN201410282103.1A Pending CN104140590A (en) | 2014-06-23 | 2014-06-23 | Thermal shrinkage-resistant polypropylene film material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106380688A (en) * | 2016-08-31 | 2017-02-08 | 金田集团（桐城）塑业有限公司 | Thermal shrinkage resistant polypropylene film material |
| CN110435127A (en) * | 2019-08-13 | 2019-11-12 | 苏州鼎政电子科技有限公司 | High temperature resistant PET protection film production technology |
| CN114213753A (en) * | 2021-12-21 | 2022-03-22 | 泉州利昌新材料科技有限公司 | High-toughness polypropylene film |
-
2014
- 2014-06-23 CN CN201410282103.1A patent/CN104140590A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106380688A (en) * | 2016-08-31 | 2017-02-08 | 金田集团（桐城）塑业有限公司 | Thermal shrinkage resistant polypropylene film material |
| CN110435127A (en) * | 2019-08-13 | 2019-11-12 | 苏州鼎政电子科技有限公司 | High temperature resistant PET protection film production technology |
| CN114213753A (en) * | 2021-12-21 | 2022-03-22 | 泉州利昌新材料科技有限公司 | High-toughness polypropylene film |
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Application publication date: 20141112 |
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