CN1298530C - 衣料用非对称性多孔质聚四氟乙烯膜 - Google Patents

衣料用非对称性多孔质聚四氟乙烯膜 Download PDF

Info

Publication number
CN1298530C
CN1298530C CNB2004100321920A CN200410032192A CN1298530C CN 1298530 C CN1298530 C CN 1298530C CN B2004100321920 A CNB2004100321920 A CN B2004100321920A CN 200410032192 A CN200410032192 A CN 200410032192A CN 1298530 C CN1298530 C CN 1298530C
Authority
CN
China
Prior art keywords
film
ptfe film
porous matter
porous
asymmetry
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.)
Expired - Lifetime
Application number
CNB2004100321920A
Other languages
English (en)
Other versions
CN1533883A (zh
Inventor
黄雅夫
周钦俊
周钦杰
赖君义
李魁然
王大铭
阮若屈
吴添财
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YUMINGTAI CHEMICAL CO Ltd
Original Assignee
YUMINGTAI CHEMICAL CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by YUMINGTAI CHEMICAL CO Ltd filed Critical YUMINGTAI CHEMICAL CO Ltd
Publication of CN1533883A publication Critical patent/CN1533883A/zh
Application granted granted Critical
Publication of CN1298530C publication Critical patent/CN1298530C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0083—Thermal after-treatment
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B01D69/1071—Woven, non-woven or net mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/36—Polytetrafluoroethene
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/16—Surface shaping of articles, e.g. embossing; Apparatus therefor by wave energy or particle radiation, e.g. infrared heating
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
    • B29C2035/046—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames dried air
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • B29C2035/1616—Cooling using liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/755—Membranes, diaphragms
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • 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
    • B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
    • B32B2315/08—Glass
    • B32B2315/085—Glass fiber cloth or fabric
    • 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
    • B32B2317/00—Animal or vegetable based
    • B32B2317/10—Natural fibres, e.g. wool, cotton
    • 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
    • B32B2327/00—Polyvinylhalogenides
    • B32B2327/12—Polyvinylhalogenides containing fluorine
    • B32B2327/18—PTFE, i.e. polytetrafluoroethylene
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2041—Two or more non-extruded coatings or impregnations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2139—Coating or impregnation specified as porous or permeable to a specific substance [e.g., water vapor, air, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2221—Coating or impregnation is specified as water proof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2762—Coated or impregnated natural fiber fabric [e.g., cotton, wool, silk, linen, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2861—Coated or impregnated synthetic organic fiber fabric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3325—Including a foamed layer or component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3325—Including a foamed layer or component
    • Y10T442/3366—Woven fabric is coated, impregnated, or autogenously bonded
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3854—Woven fabric with a preformed polymeric film or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3854—Woven fabric with a preformed polymeric film or sheet
    • Y10T442/3862—Ester condensation polymer sheet or film [e.g., polyethylene terephthalate, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3854—Woven fabric with a preformed polymeric film or sheet
    • Y10T442/3886—Olefin polymer or copolymer sheet or film [e.g., polypropylene, polyethylene, ethylene-butylene copolymer, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/647—Including a foamed layer or component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/674—Nonwoven fabric with a preformed polymeric film or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/674—Nonwoven fabric with a preformed polymeric film or sheet
    • Y10T442/675—Ester condensation polymer sheet or film [e.g., polyethylene terephthalate, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/674—Nonwoven fabric with a preformed polymeric film or sheet
    • Y10T442/678—Olefin polymer or copolymer sheet or film [e.g., polypropylene, polyethylene, ethylene-butylene copolymer, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

本发明提供一种衣料用非对称性多孔质PTFE膜，它具有现有公知的多孔质PTFE成形品的时效变化小、耐水透过性、气体透过性、密封特性、电气特性等诸特性，并且提高了与织物的粘接强度，从而提高了耐久性和水蒸气透过性。本发明的衣料用非对称性多孔质PTFE膜由高致密性表层及连续气泡性多孔质层构成，其中：(1)对表层表面的水的接触角为120～140°；(2)表层的光的扩散反射率为91～94%。

Description

衣料用非对称性多孔质聚四氟乙烯膜
技术领域
本发明涉及衣料用非对称性多孔质聚四氟乙烯膜以及把该膜作为通气性、防水性膜来使用的衣料用材料。
背景技术
多孔质聚四氟乙烯膜(以下称为多孔质PTFE膜)由于具有良好的耐药品性及高拉伸强度，因此，不仅在化学品及食品、半导体等领域中用于其制造设备、配管等的密封、垫片等，还广泛地适用于气体及液体过滤用的过滤器、衣料的通气·不透水用膜剂、医疗用薄膜等。
一般把PTFE细粉和石脑油等挤出助剂的混合物，即PTFE膏，挤出并进行轧制。接着，从轧制品除去挤出助剂之后，沿单轴或双轴方向进行拉伸。为了保持拉伸后的多孔质PTFE膜的形状，在35℃至PTFE的熔点之间的温度下进行所谓的热定形，这种多孔质PTFE膜的制造方法已经公开(例如，参照美国专利第3953566号说明书、美国专利第3962153号说明书、美国专利第4096227号说明书、美国专利第4187390号说明书以及美国专利第4902423号说明书)。
把按上述方法制成的多孔质PTFE膜作为衣料用材料的层压剂时，通气性良好，但是存在以下问题：人体的类脂物在多孔质膜中积蓄，使该膜的性能降低。
还有，为了改善上述问题点，公开了用例如聚氨脂之类具有亲水性及通气性的材料对多孔质PTFE膜进行处理后的衣料用材料(例如，参照美国专利第4194041号说明书)。但是，存在水蒸气透过能力低、耐洗性低等问题点。
还公开了多孔质PTFE膜与聚酯、尼龙等织物进行层压的方法(例如，参照美国专利第5026591号说明书)。但是，两者之间的粘接强度有问题，作为衣料用材料的耐久性问题没有解决。
在上述记载的对称性多孔质PTFE中，没有能够满足耐水性、通气性、水蒸气透过能力以及粘接力的衣料用材料。
发明内容
本发明的目的是提供一种衣料用非对称性多孔质PTFE膜以及把该膜用作通气性、放水性膜的衣料用材料，它具有现有公知的多孔质PTFE成形品的时效变化小、耐水透过性、气体透过性、密封特性、电气特性等诸特性，并且提高了与织物的粘接强度，从而提高了耐久性及水蒸气透过性。
现有公知的多孔质PTFE膜具有连续的气泡，形成的孔径分布在膜的表面及内部是均匀的，并且该孔径在膜的整体中均匀形成(空孔率在膜内大致是恒定的)，即，是对称性的多孔质。
经过专心研究发现，使膜的一个面成为致密的PTFE表层，把另一个面做成由密度更低的连续气泡性多孔质层构成的非对称性多孔质PTFE膜，就能够提高多孔质PTFE膜的耐水性、通气性以及水蒸气透过性。
即，本发明涉及一种衣料用非对称性多孔质PTFE膜，它由高致密性的表层和连续气泡性的多孔质层构成，其中：
(1)对表层表面的水的接触角为120～140°；
(2)表层的光的扩散反射率为91～94％。
衣料用非对称性多孔质PTFE膜，优选的是通过双轴拉伸而制成。
衣料用非对称性多孔质PTFE膜的膜厚，优选的是10～100μm。
本发明涉及由衣料用非对称性多孔质PTFE膜和织物或非织物构成的衣料用材料。
织物，优选的是聚酯、尼龙、棉。
附图说明
图1是表示热处理装置之一例的简要图。
图2是对单面实施加热处理(340℃，10s)后的非对称性多孔质PTFE膜的剖面的SEM图像(.×3000倍)。致密层.(加热面)为上部白色部分。
具体实施方式
本发明中使用的拉伸多孔质PTFE膜基本上可以通过以下所示的公知的6道工序来制造。
(1)PTFE细粉的膏挤出工序
用挤出机把用乳液聚合法制成的PTFE细粉和石脑油等挤出助剂的膏状混合物挤出来，得到圆柱状、棱柱状、板状的挤出物。
另外，PTFE细粉是指，通过对用乳液聚合法制成的聚合物的水性分散液进行沉析，分离出聚合物，再使其干燥后的粉末。聚合物的构成为四氟乙烯(TFE)单独聚合物，或者TFE和少量(通常为0.5重量％以下)全氟烷基乙烯醚或六氟丙稀的共聚物(改性PTFE)。
在该工序中，对PTFE的取向极力进行压制，这种做法优选的是使其处在能够顺利进入下道拉伸工序的点。取向的抑制可以通过适当选择膏挤出的缩减比(优选的范围为300∶1以下，通常为20∶1～150∶1)、PTFE/挤出助剂比(通常为77/23～80/20)、挤出机的模具角度(通常为60°左右)等来达成。
还有，作为挤出助剂，一般使用润滑性高的矿物油，例如石脑油。
(2)膏挤出物的轧制工序
由砑光辊等对在(1)中制成的膏挤出物沿挤出方向或与挤出方向垂直的方向进行轧制，制成板状。
(3)挤出助剂的除去工序
对在(2)中制成的轧制物，通过加热或者用三氯乙烷、三氯乙烯等溶剂进行萃取，除去挤出助剂。
可以根据挤出助剂来适当选择加热温度，不过，优选的是200～300℃。特别优选的是在250℃左右进行加热。如果超过300℃，特别是超过PTFE的熔点，即327℃，就有被烧成的倾向。
(4)拉伸工序
对在(3)中制成的不含挤出助剂的轧制物进行拉伸。就拉伸方法而言，可以沿单轴方向或双轴方向进行拉伸，不过，为使孔径分布更窄，并获得通气方面理想的多孔度，优选的是进行双轴拉伸。还有，进行双轴拉伸时，可以逐次双轴拉伸，也可以同时双轴拉伸。拉伸前可以预热至300℃左右。
应当慎重选取拉伸倍率，因为它会影响到膜的拉伸强度等。拉伸倍率优选的是300～2000％，更优选的是400～1500％。拉伸倍率如果偏离该范围，就有得不到目标孔径和空孔率的倾向。
(5)热定形工序
对在(4)中制成的拉伸物，优选的是，在比PTFE的熔点(约327℃)稍高、比分解温度低的温度范围，即340～380℃，以比较短的时间(5～15秒钟)进行加热处理，使其热定形。如果不到340℃，就有热定形不充分的倾向；如果超过380℃，定形时间变短，就有难以控制时间的倾向。
(6)非对称性多孔质PTFE膜的制造
在本发明中，对这样制成的拉伸对称性多孔质PTFE膜的一个面进行冷却，同时对另一个面进行加热处理，之后，再进行冷却，这样来制造非对称性多孔质PTFE膜。用于制造的设备及其方法之一例如图1所示，当然，并不限于此。
下面，参照图1对本发明的制造方法具体地进行说明。
在工序(5)中热定形、冷却后的对称性多孔质PTFE膜由对称性多孔质PTFE膜送出辊4送出，从加热装置2与冷却用盐水槽1之间通过。此处，PTFE膜的表面温度由温度传感器6进行测定，用温度读取部7进行读取。接着，与该温度有关的数据被送到加热装置控制部8，据此对从加热装置2通过热风出口3排出的热风的温度进行控制。还有，在冷却用盐水槽1中，冷却用液体进行循环，并保持一定的温度。从它们之间通过的PTFE膜由非对称性多孔质PTFE膜卷取辊5进行卷取。
此时，加热装置2所导致的加热处理温度，优选的是260～380℃，更优选的是340～360℃。加热处理温度如果不到260℃，就有表层(致密层)不能充分形成的倾向；如果超过380℃，非对称性PTFE膜制造的控制就会变得困难，就有膜整体致密化的倾向。
另一侧的冷却用盐水槽1所导致的冷却处理温度，优选的是0℃以下，更优选的是-10℃以下。冷却处理温度如果超过0℃，非对称性膜制造的控制就会变得困难，就有膜整体致密化、通气性降低的倾向。
上述加热、冷却的处理时间优选的是5～15秒，更优选的是6～10秒。
在上述条件下，对热定形后的对称性多孔质PTFE膜的一个面进行冷却，使得形成连续气泡性的多孔质层，同时对另一个面再次进行加热处理，使膜表面发生改性，从而制成形成高致密性的表层的非对称性多孔质PTFE膜。
此处，致密性是指，仅使一个面发生改性，使多孔结构更加致密化，水的接触角及光的扩散反射率等表现出与原来的对称性多孔质PTFE膜不同性质的层；连续气泡性是表示，实质上具有与热处理前的对称性多孔质PTFE膜相同的多孔结构的层。
还有，把0.1～0.2mL的正丙醇含有率60％的水溶液滴到膜表面上时，在非热处理的多孔质层面上，上述水溶液就会直接浸透到膜中，白色的多孔质层面就会变得看上去透明；另一方面，在经过热处理、致密化后的表层面上，上述水溶液不容易浸透，滴到的面膜还保留原来的白色。
对本发明的非对称性多孔质PTFE膜表层的水的接触角为120～140°，优选的是125～135°。接触角如果不到120°，热处理面的改性就不充分，粘接力就有降低的倾向；如果超过140°，致密化就会过度，就有通气性降低的倾向。
与对对称性多孔质PTFE膜的水的接触角(110～118°)相比，显示出相当高的值，由此表明，本发明的非对称性多孔质PTFE膜表层与对称性多孔质PTFE膜相比，防水性更好。
此处，对水接触角可由下式求出。
接触角＝2tan-1(h/r)
其中，h＝球状水滴的高度，r＝球状水滴的半径。
还有，本发明的衣料用非对称性多孔质PTFE膜的表层的光扩散反射率为91～94％。光扩散反射率是表示改性层(表层)的指标，不到91％，表示致密化不充分；如果超过94％，表示致密化过度。这表明它比对称性多孔质PTFE膜的光扩散反射率(90～91％)高。
在多孔结构方面，根据SEM图像，现有的对称性多孔质PTFE膜整体形成为均匀的多孔结构；而在本发明的非对称性多孔质PTFE膜中，使表层形成为致密的层，多孔质层则具有与现有的对称性多孔质PTFE膜相同的多孔结构。还有，膜整体的空孔率，优选的是30～95％，更优选的是50～90％。空孔率如果不到30％，就有通气性降低的倾向；如果超过95％，就有耐水性降低的倾向。
此处，上述空孔率根据测定的密度由下式求出。
空孔率(％)＝(1-PTFE表观密度/PTFE真密度)×100％
其中，PTFE表观密度(g/cc)＝多孔质PTFE膜的重量(W)/容积(V)，真密度(g/cc)＝2.15(文献值)。
本发明的非对称性多孔质PTFE膜的多孔质层的最大孔径，优选的是0.03～2μm，更优选的是0.05～1μm。最大孔径如果不到0.03μm，就有通气性降低的倾向；如果超过2μm，就有耐水性降低的倾向。
此处，最大孔径由下述方法求出。
首先，对于对称性多孔质PTFE膜和通过对其进行热处理而制成的非对称性多孔质PTFE膜，根据SEM图像(×20,000)判明，在热处理前后多孔质层的孔径、结构等没有发生变化。在该热处理后多孔质层的孔径、结构等不发生变化、只有表层发生改性这一点正是本发明的特征之一。
接着，由孔隙率计(Porosimeter)测定对称性多孔质PTFE膜的最大孔径，把该值作为非对称性多孔质PTFE膜的最大孔径来进行替代。
在孔度测定仪(微孔材料有限公司(Porous Materials，Inc.社)制的Porosimeter PMI-1500)的样品室，把膜样品装好，在自动化模式(automatic mode)下开始测定。测定开始后，在样品室内的膜的一个面上导入气体(氮气)。气体的导入速度被自动地控制。
在导入气体的压力低的期间，样品膜就成为屏障，室内的压力连续地徐徐升高。随着压力升高，样品膜的屏障性就会丧失，于是，气体开始透过，样品室的升压就会停止，因而对该压力进行测定。
上述压力的测定是对干燥后的膜和用孔芯(Porewick)液进行湿润后的膜进行测定，求出各自的压力P1、P2。
另外，Porewick液是Porous Materials，Inc.社制的把表面张力调整到16dyn/cm的标准液的商品名。
最大孔径由下式算出。
d＝C·(τ/ΔP)
其中，d＝最大孔径(μm)，C＝0.415，τ＝湿润液的表面张力(dyn/cm)，ΔP＝P2-P1(psi)。
本发明的衣料用非对称性多孔质PTFE膜的膜厚，随作为对象的最终制品而不同，不过，优选的是10～100μm，更优选的是10～50μm。膜厚如果不到10μm，就有耐水性降低的倾向；如果超过100μm，作为衣料关联制品，就有质地变差的倾向。
还有，表层的厚度，优选的为整体膜厚的0.04～40％，更优选的是0.1～30％。表层的厚度如果不到整体膜厚的0.04％，就有粘接强度降低的倾向；如果超过40％，作为具有硬度的衣料制品，就有质地变差的倾向。
下面对使用本发明的衣料用非对称性多孔质PTFE膜的衣料用材料进行说明。
用织物或非织物对本发明的衣料用非对称性多孔质PTFE膜的单面或两面进行层压加工，能够作为衣料用材料来使用，能够制成通气性、水蒸气透过性、防水性等良好的、舒适的穿着性材料，这一点是优选的。
作为层压加工，可以列举热熔敷、使用粘接剂的方法等，不过，优选的是根据设备、操作条件等特点而使用粘接剂的方法。
作为织物，可以列举聚酯、尼龙、棉、芳香族聚酰胺纤维布、聚丙烯酸酯、玻璃纤维织物等。其中，作为衣料用材料，从轻量、手感等考虑，优选的是聚酯、尼龙、棉。
还有，作为非织物，可以列举聚乙烯、聚丙烯、聚酯等非织物。
本发明的非对称性多孔质PTFE膜的热处理面的粘接力是非热处理面的粘接力的5～6倍，能够提高衣料的耐久性。此处，作为粘接测定，是根据JIS L 1096A来进行的。
采用本发明的衣料用非对称性多孔质PTFE膜的衣料用材料具有良好的通气性、透湿性、耐水性，并且能够制成穿着舒适性高的衣服。
根据实施例对本发明进行详细说明，不过，本发明并不限于该实施例。
<孔径>
由SEM(日立制作所(株)制，MODEL S570)进行测定。
<空孔率>
对多孔质PTFE膜的重量(W)和容积(V)进行测定，由下式求出。
空孔率(％)＝(1-PTFE表观密度/PTFE真密度)×100％
其中，PTFE表观密度(g/cc)＝W/V，真密度(g/cc)＝2.15(文献值)。
<最大孔径>
在孔度测定仪(Porous Materials，Inc.社制的Porosimeter PMI-1500)的automatic mode下进行测定。
对于干燥后的膜和用Porewick液(Porous Materials，Inc.社制)进行湿润后的膜进行测定，对各自的压力P1、P2进行测定，由下式求出最大孔径。
d＝C·(τ/ΔP)
其中，d＝最大孔径(μm)，C＝0.415，τ＝湿润液的表面张力(dyn/cm)，ΔP＝P2-P1(psi)。
<对水接触角>
使用协和界面化学(株)社制的接触角测定器CA-D，由下式求出。
接触角＝2tan-1(h/r)
其中，h＝球状水滴的高度，r＝球状水滴的半径。
<光扩散反射率>
使用测定器Mini Scan XE Plus(The Color Management Company社制)，根据ASTM E308(波长400～700nm)进行测定。
<膜拉伸强度>
根据ASTM D-1456进行测定。
<膜断裂拉伸度>
根据ASTM D-1456进行测定。
<粘接力>
根据JIS L-1096A进行测定。
<水蒸气透过度>
根据JIS L-1099进行测定。
<空气透过度>
根据ASTM D-726进行测定。
<干洗试验>
根据JIS L-0860进行测定。
实施例1～3
用挤出机按缩减比＝80∶1把用乳液聚合法制成的80重量份的PTFE细粉和20重量份的石脑油的膏状混合物挤出来，得到直径18mm的棒状挤出物。由直径500mm的砑光辊对该棒状挤出物沿与挤出方向相同的方向进行轧制，制成宽260mm、厚0.2mm的板状轧制物。在烘箱中把该板加热至260℃，除去石脑油。接着，把该板预热至300℃后，沿轧制方向以500％的拉伸倍率、沿与此垂直的方向以300％的倍率进行同时双轴拉伸。在保持这种拉伸状态的情况下，在340℃下加热15秒，完成热定形。此后，冷却至室温，制成的对称性多孔质PTFE膜的厚度为20～25μm，最大孔径为0.5μm，空孔率为90％。
接着，通过图1所示的热处理装置，使冷却用盐水槽1的温度保持在-10℃，把从加热装置2出来、通过热风出口3排出的热风的温度分别调整为260℃、300℃及340℃，把热风出口区的薄膜通过时间调整为7秒，只对上述PTFE膜的一个面进行热处理，制成非对称性多孔质PTFE膜，评价结果如表1所示。
比较例1
使用在实施例1中制成的对称性多孔质PTFE膜，评价结果如表1所示。
表1
  热处理温度(℃)   膜厚(μm)   空孔率(％)   孔径(μm)   对水接触角(°)   光反射率(％)   粘接强度(g/cm)   膜拉伸强度(MPa)   膜断裂拉伸度(％)
 实施例1   260   20   85.8   0.09～0.17   128   92.4   268.0   5.96   109
 实施例2   300   23   89.8   0.08～0.15   129   92.6   271.6   7.3   134
 实施例3   340   25   90.9   0.09～0.19   131   93.8   319.0   8.5   107
 比较例1   -   25   89.7   0.10～0.19   117   90.8   51.6   5.07   166
实施例4～6
把厚度约0.1mm的聚酯/棉(50/50％)混纺布与在实施例1～3中制成的非对称性多孔质PTFE膜的单面进行层压加工，制成衣料用材料。层压加工把透湿性的热熔型聚氨脂作为粘接剂来使用，把它涂覆在非对称性多孔质PTFE膜的表层上，再把混纺织物粘压在它的上面，之后，通过使聚氨脂粘接剂硬化来完成。对干洗前后的水蒸气透过度及空气透过度的评价结果如表2所示。
比较例2
用与实施例4～6相同的方法，把在比较例1中制成的对称性多孔质PTFE膜制成衣料用材料。评价结果如表2所示。
                                         表2
 干洗前   干洗后
 水蒸气透过度*(g/m2)   空气透过率(×104ft3/min·ft2)   水蒸气透过度*(g/m2)   空气透过率(×104ft3/min·ft2)
  实施例4  15250   25   21400   23
  实施例5  11095   13   19300   21
  实施例6  16200   12   18500   17
  比较例2  8440   8.7   9410   8
*表示每一天的水蒸气透过度。
工业实用性
根据本发明就能够制成具有良好的通气性、透湿性、耐水性的衣料用非对称性多孔质PTFE膜。再有，采用非对称性多孔质PTFE膜的衣料用材料具有良好的通气性、透湿性、耐水性，能够提供穿着舒适性高的衣服。

Claims (5)

1.一种非对称性多孔质聚四氟乙烯膜在衣料中的应用，所述非对称性多孔质聚四氟乙烯膜由高致密性表层和连续气泡性多孔质层构成；且
(1)对表层表面的水的接触角为120～140°；
(2)表层的光的扩散反射率为91～94％。
2.根据权利要求1所述的应用，其中所述非对称性多孔质聚四氟乙烯膜通过双轴拉伸而制成。
3.根据权利要求1或2所述的应用，其中所述非对称性多孔质聚四氟乙烯膜的膜厚为10～100μm。
4.一种由权利要求1中所述的非对称性多孔质聚四氟乙烯膜和织物或非织物构成的材料在衣料中的应用。
5.根据权利要求4所述的应用，其中所述织物为聚酯、尼龙、棉。
CNB2004100321920A 2003-04-02 2004-04-02 衣料用非对称性多孔质聚四氟乙烯膜 Expired - Lifetime CN1298530C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003099358A JP4101100B2 (ja) 2003-04-02 2003-04-02 衣料用非対称性多孔質ポリテトラフルオロエチレン膜
JP99358/2003 2003-04-02

Publications (2)

Publication Number Publication Date
CN1533883A CN1533883A (zh) 2004-10-06
CN1298530C true CN1298530C (zh) 2007-02-07

Family

ID=32844690

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100321920A Expired - Lifetime CN1298530C (zh) 2003-04-02 2004-04-02 衣料用非对称性多孔质聚四氟乙烯膜

Country Status (7)

Country Link
US (1) US7309663B2 (zh)
EP (1) EP1464382B1 (zh)
JP (1) JP4101100B2 (zh)
CN (1) CN1298530C (zh)
AT (1) ATE478725T1 (zh)
DE (1) DE602004028774D1 (zh)
HK (1) HK1068580A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006007868A1 (de) * 2006-02-17 2007-08-30 Boehringer Ingelheim Microparts Gmbh Membranaufbau zur Gasabscheidung, Entgasungsvorrichtung mit einem derartigen Membranaufbau sowie Verfahren zur Herstellung
US8575044B2 (en) * 2007-01-25 2013-11-05 W. L. Gore & Associates, Inc. Packable water resistant insulated articles
US20130083528A1 (en) * 2010-02-02 2013-04-04 EF-Materials Industries Inc. Water-proof and dust-proof membrane assembly and apparatus using the same
US9944044B2 (en) * 2010-05-06 2018-04-17 W. L. Gore & Associates, Inc. Contamination resistant air permeable fabric laminate and garments made therefrom
US8679600B2 (en) * 2011-09-15 2014-03-25 Diana K. Vogle Food drainage bag
US9446563B2 (en) * 2012-12-11 2016-09-20 Hi-Tex, Inc. Liquid repelling coating
US9782730B2 (en) * 2013-05-14 2017-10-10 Honeywell International Inc. 1234YF- and 1234ZE-based polymeric membrane materials, membrane preparations and uses thereof
JP6474977B2 (ja) * 2013-08-30 2019-02-27 日東電工株式会社 防水通気膜とそれを備える防水通気部材および防水通気構造ならびに防水通音膜
US11137191B2 (en) * 2017-07-21 2021-10-05 Daikin Industries, Ltd. Gas supply device, device for controlling inside air, and refrigeration device for container
CN110726656A (zh) * 2018-07-16 2020-01-24 有研工程技术研究院有限公司 一种粉末喷涂涂层耐水性测试方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234535A (en) * 1976-04-29 1980-11-18 Sumitomo Electric Industries, Ltd. Process for producing porous polytetrafluoroethylene tubings
US4248924A (en) * 1976-09-03 1981-02-03 Sumitomo Electric Industries, Ltd. Asymmetric porous film materials and process for producing same
US4973609A (en) * 1988-11-17 1990-11-27 Memron, Inc. Porous fluoropolymer alloy and process of manufacture
WO1995002447A1 (en) * 1993-07-16 1995-01-26 E.I. Du Pont De Nemours And Company Asymmetric membranes of polytetrafluoroethylene and their preparation
CN1334770A (zh) * 1998-12-11 2002-02-06 大金工业株式会社 多孔性材料、空气过滤器滤材、空气过滤器单元以及空气过滤器滤材用支持材料
CN1080133C (zh) * 1996-08-09 2002-03-06 大金工业株式会社 阻燃性过滤器过滤材料和使用该过滤材料的空气过滤器装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE392582B (sv) * 1970-05-21 1977-04-04 Gore & Ass Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande
US4187590A (en) * 1977-04-20 1980-02-12 R. D. Bussard & Son, Inc. Elastic fastener
DE2947743C2 (de) 1978-11-30 1983-12-08 Sumitomo Electric Industries, Ltd., Osaka Einheitliches, poröses röhrenförmiges Gebilde aus Polytetrafluoräthylen
US5026591A (en) * 1987-04-21 1991-06-25 W. L. Gore & Associates, Inc. Coated products and methods for making
US4863788A (en) * 1988-02-16 1989-09-05 Micropore Waterproof breathable microporous membrane with cellular foam adhesive
JP2902720B2 (ja) * 1990-04-19 1999-06-07 株式会社リコー 画像形成装置
US5162149A (en) * 1990-05-15 1992-11-10 W. L. Gore & Associates, Inc. Non-blocking seam tape
JP2909838B2 (ja) 1990-06-05 1999-06-23 ジャパンゴアテックス株式会社 透湿防水性を有する耐針性布帛
US5217666A (en) 1991-05-29 1993-06-08 Daikin Industries Ltd. Process for producing porous polytetrafluoroethylene film
JP3286984B2 (ja) 1991-05-30 2002-05-27 住友電気工業株式会社 ポリテトラフルオロエチレン多孔質体およびその製造方法
US5382223A (en) * 1993-02-01 1995-01-17 Ortho-Care, Inc. Contoured orthopaedic support having reduced skin irritation properties
JP3576229B2 (ja) * 1994-10-24 2004-10-13 塩野義製薬株式会社 サニタリ配管用ガスケット及びその製作方法
US6235377B1 (en) 1995-09-05 2001-05-22 Bio Med Sciences, Inc. Microporous membrane with a stratified pore structure created in situ and process
US6471803B1 (en) * 1997-10-24 2002-10-29 Ray Pelland Rotary hot air welder and stitchless seaming
JP4526693B2 (ja) 2000-12-06 2010-08-18 日東電工株式会社 ポリテトラフルオロエチレン多孔質膜とこれを用いた通気性積層体およびフィルタユニット
JP3580790B2 (ja) 2001-10-31 2004-10-27 宇明泰化工股▲ふん▼有限公司 非対称性多孔質ポリテトラフルオロエチレン膜とその製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234535A (en) * 1976-04-29 1980-11-18 Sumitomo Electric Industries, Ltd. Process for producing porous polytetrafluoroethylene tubings
US4248924A (en) * 1976-09-03 1981-02-03 Sumitomo Electric Industries, Ltd. Asymmetric porous film materials and process for producing same
US4973609A (en) * 1988-11-17 1990-11-27 Memron, Inc. Porous fluoropolymer alloy and process of manufacture
WO1995002447A1 (en) * 1993-07-16 1995-01-26 E.I. Du Pont De Nemours And Company Asymmetric membranes of polytetrafluoroethylene and their preparation
CN1080133C (zh) * 1996-08-09 2002-03-06 大金工业株式会社 阻燃性过滤器过滤材料和使用该过滤材料的空气过滤器装置
CN1334770A (zh) * 1998-12-11 2002-02-06 大金工业株式会社 多孔性材料、空气过滤器滤材、空气过滤器单元以及空气过滤器滤材用支持材料

Also Published As

Publication number Publication date
CN1533883A (zh) 2004-10-06
US20040198121A1 (en) 2004-10-07
EP1464382A1 (en) 2004-10-06
DE602004028774D1 (de) 2010-10-07
JP4101100B2 (ja) 2008-06-11
JP2004306289A (ja) 2004-11-04
US7309663B2 (en) 2007-12-18
HK1068580A1 (en) 2005-04-29
EP1464382B1 (en) 2010-08-25
ATE478725T1 (de) 2010-09-15

Similar Documents

Publication Publication Date Title
CN1301851C (zh) 过滤器用非对称性多孔质聚四氟乙烯膜
CN1029201C (zh) 制造多层聚四氟乙烯多孔膜的方法和半烧结聚四氟乙烯多层结构制品
CN1298530C (zh) 衣料用非对称性多孔质聚四氟乙烯膜
CN1968736A (zh) 偏二氟乙烯系树脂中空丝多孔滤水膜及其制造方法
CN101590374B (zh) 一种聚偏氟乙烯中空纤维膜及其制备方法
US8784710B2 (en) Expandable polymer membrane and tubes, and a method of manufacturing thereof
CN1942236A (zh) 偏二氟乙烯系树脂中空丝多孔滤水膜及其制造方法
CN1926180A (zh) 在膜厚方向上具有弹性回复性的拉伸聚四氟乙烯多孔膜、其制备方法以及该多孔膜的用途
JP2003138047A (ja) 非対称性多孔質ポリテトラフルオロエチレン膜とその製造方法
CN87104852A (zh) 透气膜及其制造方法
CN1761563A (zh) 高耐水压聚酯无纺布
CN1135158C (zh) 生产预浸料坯的方法和装置
CN101035607A (zh) 复合反渗透膜的制造方法
CN1350025A (zh) 多孔膜和方法
CN1933970A (zh) 聚丙烯系层叠薄膜以及使用该薄膜的包装体
EP3666370A1 (en) Fluorine-based porous membrane and manufacturing method therefor
CN1816778A (zh) 氟树脂管状物、定影辊、定影带及图像定影装置
CN1863587A (zh) 1,1－二氟乙烯类树脂多孔中空丝及其制造方法
CN1061725C (zh) 聚四氟乙烯多孔膜的制备方法及其产品
CN1159200A (zh) 亲水聚氨酯
KR20120007743A (ko) Ｐｔｆｅ계 다공성막의 제조방법 및 그에 의한 다공성막
CN1460058A (zh) 多孔薄膜及其制造方法
CN1170796A (zh) 一种热敏油印用蜡纸及其生产方法
CN100337841C (zh) 具有三维外观的墙纸及其制备方法
CN100341935C (zh) 1,1－二氟乙烯类树脂多孔膜及其制造方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1068580

Country of ref document: HK

C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20070207