CN109466147A - A kind of thermophilic digestion type cast polypropylene film - Google Patents
A kind of thermophilic digestion type cast polypropylene film Download PDFInfo
- Publication number
- CN109466147A CN109466147A CN201811618631.4A CN201811618631A CN109466147A CN 109466147 A CN109466147 A CN 109466147A CN 201811618631 A CN201811618631 A CN 201811618631A CN 109466147 A CN109466147 A CN 109466147A
- Authority
- CN
- China
- Prior art keywords
- layer
- film
- polyolefin elastomer
- hot sealing
- block copolymerization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention discloses a kind of thermophilic digestion type cast polypropylene film, it is characterized by: the film is three-decker, from top to bottom it is followed successively by corona layer (1), middle layer (2) and hot sealing layer (3), the wherein polyolefin elastomer of corona layer (1) block copolymerization polypropylene containing 85-98% and 2-15%, the polyolefin elastomer of middle layer (2) block copolymerization polypropylene containing 85-98% and 2-15%, the block copolymerization polypropylene of hot sealing layer (3) containing 78-96%, the polyolefin elastomer of 2-15% and the silicone smooth master batch of 2-7%, aforementioned proportion is mass percent, corona layer (1) simultaneously, the thickness ratio of middle layer (2) and hot sealing layer (3) is 1:2-4:1-2.
Description
Technical field
The present invention relates to plastic film field, especially a kind of thermophilic digestion type cast polypropylene film.
Background technique
Food after packaging, needs to carry out cooking disinfection under high temperature environment, and the condition of thermophilic digestion is the item at 135 DEG C
Continue 30min under part, but traditional Tropical cooking film having can not really meet above-mentioned condition, some plastic films are in boiling
After sterilization, peel strength and heat seal strength can all have different degrees of decline, and it is poor that some meetings show as low-temperature impact resistance,
I.e. product is easy broken bag after the freezing, and film also will appear coefficient of friction substantial increase after prolonged high-temperature maturing
The problem of, it will appear to walk the problems such as machine is difficult or bag making after-opening performance is poor in client's packaging process in this way, seriously affect
The use of client.
Therefore a kind of method for being able to solve the above problem is needed now.
Summary of the invention
The present invention is to propose that one kind can pass through long-time thermophilic digestion to solve above-mentioned deficiency present in the prior art
Afterwards, still ensure that it is good walk machine and Kekelé structure count cast polypropylene film.
The technical solution of the invention is as follows: a kind of thermophilic digestion type cast polypropylene film, it is characterised in that: described
Film is three-decker, is from top to bottom followed successively by corona layer 1, middle layer 2 and hot sealing layer 3, wherein corona layer 1 contains 85-98%'s
The polyolefin elastomer of block copolymerization polypropylene and 2-15%, block copolymerization polypropylene and 2-15% of the middle layer 2 containing 85-98%
Polyolefin elastomer, block copolymerization polypropylene of the hot sealing layer 3 containing 78-96%, the polyolefin elastomer of 2-15% and 2-7%
Silicone smooth master batch, aforementioned proportion is mass percent, while the thickness ratio of corona layer 1, middle layer 2 and hot sealing layer 3 is
1:2-4:1-2。
The present invention compared with the existing technology, has the advantages that
The polypropylene thermophilic digestion film of this kind of structure type, since its each layer structure is made of special raw material, and it is each
Using the requirement of specific thickness proportion between layer, therefore when as the packaging bag of packaged food, its resistance to steaming can be both guaranteed
Boiling property, and can be improved the low temperature impact performance of film, at the same can also guarantee product have it is good walk machine and opening
Property；And this polypropylene film, interior not contain any migration substance, which is used cooperatively with boiling type adhesive
Afterwards, it will not decline through boiling treated peel strength with heat seal strength, still be able to be consistent with before boiling.To sum up institute
It states, it may be said that this polypropylene film has a variety of advantages, particularly suitable for promoting and applying in the art, market prospects
It is very wide.
Detailed description of the invention
Fig. 1 is the sectional view of film in the embodiment of the present invention.
Specific embodiment
Below in conjunction with Detailed description of the invention a specific embodiment of the invention, a kind of thermophilic digestion type curtain coating is poly- as shown in Figure 1:
Polypropylene film is three-decker, is from top to bottom followed successively by corona layer 1, middle layer 2 and hot sealing layer 3, wherein corona layer 1 contains 85-
98% block copolymerization polypropylene and the polyolefin elastomer of 2-15%, block copolymerization polypropylene of the middle layer 2 containing 85-98% and
The polyolefin elastomer of 2-15%, the polyolefin elastomer and 2- of block copolymerization polypropylene of the hot sealing layer 3 containing 78-96%, 2-15%
7% silicone smooth master batch, aforementioned proportion are mass percent, while the thickness of corona layer 1, middle layer 2 and hot sealing layer 3
Than for 1:2-4:1-2.
The thermophilic digestion type cast polypropylene film of the embodiment of the present invention, due to using dystectic block copolymerization poly- third
Alkene can guarantee the boiling resistance of film as major ingredient, at the same polyolefin elastomer can be improved again film low temperature it is resistance to
Impact property, and joined high temperature resistant, nonmigratory silicone smooth master batch again in its hot sealing layer 3, it can guarantee to produce in this way
Product walk machine and Kekelé structure count, and due to not containing migration substance in this kind of film, this product and boiling type are bonded
In the case that agent is used cooperatively, additionally it is possible to the peel strength before and after boiling be allowed to be consistent with heat seal strength.
Claims (1)
1. a kind of thermophilic digestion type cast polypropylene film, it is characterised in that: the film be three-decker, from top to bottom according to
It is secondary for corona layer (1), middle layer (2) and hot sealing layer (3), wherein the block copolymerization polypropylene of corona layer (1) containing 85-98% with
The polyolefin elastomer of 2-15%, the polyolefin elastomer of middle layer (2) block copolymerization polypropylene containing 85-98% and 2-15%,
The block copolymerization polypropylene of hot sealing layer (3) containing 78-96%, 2-15% polyolefin elastomer and 2-7% the smooth mother of silicone
Material, aforementioned proportion is mass percent, while the thickness ratio of corona layer (1), middle layer (2) and hot sealing layer (3) is 1:2-4:
1-2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618631.4A CN109466147A (en) | 2018-12-28 | 2018-12-28 | A kind of thermophilic digestion type cast polypropylene film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618631.4A CN109466147A (en) | 2018-12-28 | 2018-12-28 | A kind of thermophilic digestion type cast polypropylene film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109466147A true CN109466147A (en) | 2019-03-15 |
Family
ID=65677566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811618631.4A Pending CN109466147A (en) | 2018-12-28 | 2018-12-28 | A kind of thermophilic digestion type cast polypropylene film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109466147A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968772A (en) * | 2019-04-16 | 2019-07-05 | 安徽双津实业有限公司 | A kind of PP/PE co-extrusion high-isolation film and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231567A (en) * | 2013-04-19 | 2013-08-07 | 黄山永新股份有限公司 | RCPP film for packaging and preparation method thereof |
| CN103331973A (en) * | 2013-01-15 | 2013-10-02 | 湖北慧狮塑业股份有限公司 | Low temperature resistant and impact resistant casting polypropylene steaming and boiling resistant film |
| CN108909123A (en) * | 2018-07-12 | 2018-11-30 | 安徽迈高化工科技有限公司 | A kind of easily peelable digestion resistant polypropylene film |
-
2018
- 2018-12-28 CN CN201811618631.4A patent/CN109466147A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331973A (en) * | 2013-01-15 | 2013-10-02 | 湖北慧狮塑业股份有限公司 | Low temperature resistant and impact resistant casting polypropylene steaming and boiling resistant film |
| CN103231567A (en) * | 2013-04-19 | 2013-08-07 | 黄山永新股份有限公司 | RCPP film for packaging and preparation method thereof |
| CN108909123A (en) * | 2018-07-12 | 2018-11-30 | 安徽迈高化工科技有限公司 | A kind of easily peelable digestion resistant polypropylene film |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968772A (en) * | 2019-04-16 | 2019-07-05 | 安徽双津实业有限公司 | A kind of PP/PE co-extrusion high-isolation film and preparation method thereof |
| CN109968772B (en) * | 2019-04-16 | 2021-04-06 | 安徽双津实业有限公司 | PP/PE co-extrusion high-barrier film and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190315 |