CN110294852A - A kind of high moisture-inhibiting high water pressure resistance casting films and preparation method thereof - Google Patents
A kind of high moisture-inhibiting high water pressure resistance casting films and preparation method thereof Download PDFInfo
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- CN110294852A CN110294852A CN201910483920.6A CN201910483920A CN110294852A CN 110294852 A CN110294852 A CN 110294852A CN 201910483920 A CN201910483920 A CN 201910483920A CN 110294852 A CN110294852 A CN 110294852A
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- casting films
- pressure resistance
- water pressure
- inhibiting
- high moisture
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- 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
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- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Materials For Medical Uses (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of high moisture-inhibiting high water pressure resistance casting films, are that polyester-polyether block copolymer forms by 100%, have excellent mechanical mechanics property, good processing stability and quick Injection moldability.The high moisture-inhibiting high water pressure resistance casting films can be widely applied to sanitary napkin and surface material, the medical protection in paper urine library take the functional fabric substrate and medical dressing substrate of barrier layer substrate, the functional fabric substrate of waterproof water-proof jacket, outdoor water-proof shoes.
Description
Technical field
The present invention relates to cast film technology field more particularly to a kind of high moisture-inhibiting high water pressure resistance casting films and its preparation sides
Method.
Background technique
Casting films are that a kind of tensionless winkler foundation of quenching production, the cast film of non-directional are salivated by melt.There is single layer salivation
With multi-layer co-extruded salivation two ways.Compared with blown film, its main feature is that speed of production is fast, yield is high, the transparency of film, gloss
Property, the thickness uniformity etc. it is all extremely outstanding.
With economic development and improvement of living standards, people are more next to the consumption demand of amenities more.While with
Consumption idea reaching its maturity and open, consumer is desirable for safer, more comfortable, more preferably product.
It is applied to sanitary napkin urine pants surface layer, medical protection garment material, outdoor all-weather coat fabric, outdoor water-proof footwear material at present
The casting films of fabric, Medical dressing and medical supplies, it is to be improved in terms of water vapour permeability and water pressure resistance performance, thus it is of the invention
Provide a kind of high moisture-inhibiting high water pressure resistance casting films and preparation method thereof.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of high moisture-inhibiting high water pressure resistance casting films and its systems
Preparation Method,
Technical scheme is as follows:
A kind of high moisture-inhibiting high water pressure resistance casting films are that polyester-polyether block copolymer forms by 100%, have excellent machinery
Mechanical property, good processing stability and quick Injection moldability.
The molecular formula of the polyester-polyether block copolymer is as follows:
Preferably, the high moisture-inhibiting high water pressure resistance casting films, with a thickness of 5~60um.
The preparation method of the high moisture-inhibiting high water pressure resistance casting films, comprising the following steps:
S1: polyester-polyether block copolymer material is conveyed into screw extruder, is melt into stream with 180~260 DEG C of temperature
Then body squeezes combination by die head and forms casting films；
S2: by curtain coating film stretching transfer obtained by S1, and with 15~35 DEG C of temperature to material cooling and shaping；
S3: S2 resulting materials surface is wound, is cut, is packed up to the casting films.
Preferably, in the step S1, the temperature of the die head is 190~290 DEG C.
The invention has the beneficial effects that: high moisture-inhibiting high water pressure resistance casting films of the invention, are polyester polyethers by 100%
Copolymer composition, has excellent mechanical mechanics property, good processing stability and quick Injection moldability；The high moisture-inhibiting
High water pressure resistance casting films can be widely applied to sanitary napkin and surface material, the medical protection in paper urine library take barrier layer substrate, prevent
The functional fabric substrate of water water-proof jacket, the functional fabric substrate of outdoor water-proof shoes and medical dressing substrate.
Detailed description of the invention
Fig. 1: the flow chart of the preparation method of casting films provided by the invention.
Specific embodiment
A kind of high moisture-inhibiting high water pressure resistance casting films are that polyester-polyether block copolymer forms by 100%, polyester polyethers copolymerization
The molecular formula of object is as follows:
The preparation method of the high moisture-inhibiting high water pressure resistance casting films is as shown in embodiment 1-5.
Embodiment 1:
A kind of preparation method of high moisture-inhibiting high water pressure resistance casting films, the casting films from top to bottom single layer structure, using list
Laminar flow prolongs the elastic casting films that crowded manufacturing method is formed；Fig. 1 is the flow chart of the preparation method of casting films provided by the invention, tool
Body the following steps are included:
S1: polyester-polyether block copolymer material is conveyed into screw extruder, is melt into stream with 180~260 DEG C of temperature
Then body squeezes combination by die head and forms casting films；
S2: by curtain coating film stretching transfer obtained by S1, and with 15~35 DEG C of temperature to material cooling and shaping；
S3: S2 resulting materials surface is wound, is cut, is packed up to the casting films；
Wherein, in S1, the temperature of the die head is 190~290 DEG C.
The casting films with a thickness of 5um.
Embodiment 1-1
A kind of preparation method of high moisture-inhibiting high water pressure resistance casting films, the casting films from top to bottom single layer structure, using list
Laminar flow prolongs the elastic casting films that crowded manufacturing method is formed；Specifically includes the following steps:
S1: polyester-polyether block copolymer material is conveyed into screw extruder, is melt into fluid with 220 DEG C of temperature, so
It squeezes to combine by die head afterwards and forms casting films；
S2: by curtain coating film stretching transfer obtained by S1, and with 22 DEG C of temperature to material cooling and shaping；
S3: S2 resulting materials surface is wound, is cut, is packed up to the casting films；
Wherein, in S1, the temperature of the die head is 240 DEG C.
The casting films with a thickness of 5um.
Embodiment 1-2
A kind of preparation method of high moisture-inhibiting high water pressure resistance casting films, the casting films from top to bottom single layer structure, using list
Laminar flow prolongs the elastic casting films that crowded manufacturing method is formed；Specifically includes the following steps:
S1: polyester-polyether block copolymer material is conveyed into screw extruder, is melt into fluid with 180 DEG C of temperature, so
It squeezes to combine by die head afterwards and forms casting films；
S2: by curtain coating film stretching transfer obtained by S1, and with 35 DEG C of temperature to material cooling and shaping；
S3: S2 resulting materials surface is wound, is cut, is packed up to the casting films；
Wherein, in S1, the temperature of the die head is 190 DEG C.
The casting films with a thickness of 5um.
Embodiment 1-3
A kind of preparation method of high moisture-inhibiting high water pressure resistance casting films, the casting films from top to bottom single layer structure, using list
Laminar flow prolongs the elastic casting films that crowded manufacturing method is formed；Specifically includes the following steps:
S1: polyester-polyether block copolymer material is conveyed into screw extruder, is melt into fluid with 260 DEG C of temperature, so
It squeezes to combine by die head afterwards and forms casting films；
S2: by curtain coating film stretching transfer obtained by S1, and with 15 DEG C of temperature to material cooling and shaping；
S3: S2 resulting materials surface is wound, is cut, is packed up to the casting films；
Wherein, in S1, the temperature of the die head is 290 DEG C.
The casting films with a thickness of 5um.
Products application: sanitary napkin and the surface material in paper urine library and various spunlace non-woven cloths and hot-wind nonwoven cloth difference, it is complete
It will not fluff entirely, there is good skin-friendly, antibiotic property, urine blood infiltration rate is accelerated, and back layer table is seeped under liquid to be protected
Hold rapidly it is dry and comfortable, prevent liquid reverse osmosis.
Embodiment 2
A kind of preparation method of high moisture-inhibiting high water pressure resistance casting films, the casting films from top to bottom single layer structure, using list
Laminar flow prolongs the elastic casting films that crowded manufacturing method is formed；Specifically includes the following steps:
S1: polyester-polyether block copolymer material is conveyed into 1 set of independent screw extruder, with 180~260 DEG C of temperature
It is melt into fluid, combination is then squeezed by die head and forms casting films；
S2: by curtain coating film stretching transfer obtained by S1, and with 15~35 DEG C of temperature to material cooling and shaping；
S3: S2 resulting materials surface is wound, is cut, is packed up to the casting films；
Wherein, in S1, the temperature of the die head is 190~290 DEG C.
The casting films with a thickness of 10um.
Products application: medical protection takes barrier layer substrate, by hot melt adhesive coating technique, presses the nonwoven fabric technology of SMS,
Since film is nonporous film, the standard of barrier bacterium and blood penetration can be reached as barrier layer, since film has simultaneously
High moisture-inhibiting performance, wearing medical treatment made of the fabric not only can guarantee the function of obstructing safely, but also can comfortably work not sultry.
Embodiment 3
A kind of preparation method of high moisture-inhibiting high water pressure resistance casting films, specifically includes the following steps:
S1: polyester-polyether block copolymer material is conveyed into screw extruder, is melt into stream with 180~260 DEG C of temperature
Then body squeezes combination by die head and forms casting films；
S2: by curtain coating film stretching transfer obtained by S1, and with 15~35 DEG C of temperature to the cooling pressing sizing of material；
S3: S2 resulting materials surface is wound, is cut, is packed up to the casting films；
Wherein, in S1, the temperature of the die head is 190~290 DEG C.
The casting films with a thickness of 15~20um.
Products application: the functional fabric substrate of waterproof water-proof jacket passes through hot melt adhesive coating technique, the needle with all kinds of clothes
It knits, shuttle-woven fabric presses manufactured composite material, is able to satisfy the high waterproofness of outdoor wear, and high moisture-inhibiting requirement is carrying out family
Rainwater and wind and snow can be resisted when outer movement, while physical strength sweat gas can be discharged rapidly vigorous exercise, and wearing comfort is big
It is big to improve.
Embodiment 4
A kind of preparation method of high moisture-inhibiting high water pressure resistance casting films, specifically includes the following steps:
S1: polyester-polyether block copolymer material is conveyed into screw extruder, is melt into stream with 180~260 DEG C of temperature
Then body squeezes combination by die head and forms casting films；
S2: by curtain coating film stretching transfer obtained by S1, and with 15~35 DEG C of temperature to the cooling pressing sizing of material；
S3: S2 resulting materials surface is wound, is cut, is packed up to the casting films；
Wherein, in S1, the temperature of the die head is 190~290 DEG C.
The casting films with a thickness of 40~60um.
Products application: the functional fabric substrate of outdoor water-proof shoes, by hot melt adhesive coating technique, with all kinds of footwear material fabrics
Composite material made of pressing, the high waterproofness of energy outdoor shoe, high moisture-inhibiting, the requirement of high resistance to tortuosity are carrying out outdoor fortune
Rainwater and wind and snow can be resisted when dynamic, while physical strength sweat gas can be discharged rapidly vigorous exercise, and wearing comfort mentions significantly
Height prevents tinea pedis.
Embodiment 5
A kind of preparation method of high moisture-inhibiting high water pressure resistance casting films, specifically includes the following steps:
S1: polyester-polyether block copolymer material is conveyed into screw extruder, is melt into stream with 180~260 DEG C of temperature
Then body squeezes combination by die head and forms casting films；
S2: by curtain coating film stretching transfer obtained by S1, and with 15~35 DEG C of temperature to the cooling pressing sizing of material；
S3: S2 resulting materials surface is wound, is cut, is packed up to the casting films；
Wherein, in S1, the temperature of the die head is 190~290 DEG C.
The casting films with a thickness of 25um.
Products application: medical dressing substrate realizes high moisture-inhibiting by applying the technology of medical pressure sensitive adhesive in curtain coating film surface
Watertight transparent dressing, as in hemostatic adhesive bandage, hot patch, umbilical cord patch, transparent movement bandage.It is complete with excellent high moisture-inhibiting
The characteristics of full barrier property, low irritability.
The physical property of the cast film samples of Examples 1 to 5 is detected below, specific test data is shown in Table 1.
Table 1: the test data of the cast film samples of Examples 1 to 5；
High moisture-inhibiting high water pressure resistance casting films of the invention have excellent mechanical mechanics property, water vapour permeability and water pressure resistance
Performance.
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 (4)
1. a kind of high moisture-inhibiting high water pressure resistance casting films, which is characterized in that by 100% be that polyester-polyether block copolymer forms, this is poly-
The molecular formula of ester polyether copolymer is as follows:
2. high moisture-inhibiting high water pressure resistance casting films as described in claim 1, which is characterized in that with a thickness of 5~60um.
3. high moisture-inhibiting high water pressure resistance casting films as claimed in claim 1 or 2, which is characterized in that preparation method, including it is following
Step:
S1: polyester-polyether block copolymer material is conveyed into screw extruder, is melt into fluid with 180~260 DEG C of temperature, so
It squeezes to combine by die head afterwards and forms casting films；
S2: by curtain coating film stretching transfer obtained by S1, and with 15~35 DEG C of temperature to material cooling and shaping；
S3: S2 resulting materials surface is wound, is cut, is packed up to the casting films.
4. high moisture-inhibiting high water pressure resistance casting films as claimed in claim 3, which is characterized in that described in the step S1
The temperature of die head is 190~290 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910483920.6A CN110294852A (en) | 2019-06-05 | 2019-06-05 | A kind of high moisture-inhibiting high water pressure resistance casting films and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910483920.6A CN110294852A (en) | 2019-06-05 | 2019-06-05 | A kind of high moisture-inhibiting high water pressure resistance casting films and preparation method thereof |
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| CN110294852A true CN110294852A (en) | 2019-10-01 |
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| CN201910483920.6A Pending CN110294852A (en) | 2019-06-05 | 2019-06-05 | A kind of high moisture-inhibiting high water pressure resistance casting films and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116425962A (en) * | 2023-04-19 | 2023-07-14 | 新疆蓝山屯河高端新材料工程技术研究中心有限公司 | Waterproof and moisture permeable thermoplastic polyester polyether elastomer and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06226894A (en) * | 1993-02-01 | 1994-08-16 | Toray Ind Inc | White polyester film |
| CN1330739A (en) * | 1998-12-17 | 2002-01-09 | 东丽株式会社 | Water vapor-permeable and water-proof material and method for manufacturing the same |
| CN102827363A (en) * | 2011-06-15 | 2012-12-19 | 东丽纤维研究所（中国）有限公司 | Method for preparing polyester-polyether copolymers through direct condensation polymerization |
| CN103507191A (en) * | 2012-06-22 | 2014-01-15 | 东莞市雄林新材料科技有限公司 | Novel curtain coating coiled intermediate permeation waterproof and moisture permeable TPU (thermoplastic polyurethane) membrane |
| CN103642181A (en) * | 2013-12-13 | 2014-03-19 | 山东汇盈新材料科技有限公司 | Cast film with high water vapor permeability |
-
2019
- 2019-06-05 CN CN201910483920.6A patent/CN110294852A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06226894A (en) * | 1993-02-01 | 1994-08-16 | Toray Ind Inc | White polyester film |
| CN1330739A (en) * | 1998-12-17 | 2002-01-09 | 东丽株式会社 | Water vapor-permeable and water-proof material and method for manufacturing the same |
| CN102827363A (en) * | 2011-06-15 | 2012-12-19 | 东丽纤维研究所（中国）有限公司 | Method for preparing polyester-polyether copolymers through direct condensation polymerization |
| CN103507191A (en) * | 2012-06-22 | 2014-01-15 | 东莞市雄林新材料科技有限公司 | Novel curtain coating coiled intermediate permeation waterproof and moisture permeable TPU (thermoplastic polyurethane) membrane |
| CN103642181A (en) * | 2013-12-13 | 2014-03-19 | 山东汇盈新材料科技有限公司 | Cast film with high water vapor permeability |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116425962A (en) * | 2023-04-19 | 2023-07-14 | 新疆蓝山屯河高端新材料工程技术研究中心有限公司 | Waterproof and moisture permeable thermoplastic polyester polyether elastomer and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191001 |
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| RJ01 | Rejection of invention patent application after publication |