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GB1223899A - Improvements in and relating to air-permeable coated microporous sheet material - Google Patents

Improvements in and relating to air-permeable coated microporous sheet material

Info

Publication number
GB1223899A
GB1223899A GB34042/68A GB3404268A GB1223899A GB 1223899 A GB1223899 A GB 1223899A GB 34042/68 A GB34042/68 A GB 34042/68A GB 3404268 A GB3404268 A GB 3404268A GB 1223899 A GB1223899 A GB 1223899A
Authority
GB
United Kingdom
Prior art keywords
resin
layer
sheet
microporous
thin
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
Application number
GB34042/68A
Inventor
Jerrold J Abell
Bruce G Kosa
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.)
Rogers Corp
Original Assignee
Rogers Corp
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 Rogers Corp filed Critical Rogers Corp
Priority to GB34042/68A priority Critical patent/GB1223899A/en
Priority to DE19681769822 priority patent/DE1769822A1/en
Publication of GB1223899A publication Critical patent/GB1223899A/en
Expired legal-status Critical Current

Links

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
    • 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
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/24—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
    • 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
    • B32B5/16—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 features of a layer formed of particles, e.g. chips, powder or granules
    • 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
    • B32B5/30—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 formed of particles, e.g. chips, granules, powder
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0013—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using multilayer webs
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
    • D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
    • 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
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/05—Elimination by evaporation or heat degradation of a liquid phase
    • C08J2201/0502—Elimination by evaporation or heat degradation of a liquid phase the liquid phase being organic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)

Abstract

1,223,899. Moulding plastic substances. ROGERS CORP. 17 July, 1968, No. 34042/68. Headings B5A and B5N. [Also in Division B2] A microporous sheet of resin having an airpermeable coating on at least one face thereof is produced by applying a solution or dispersion of a resin in a liquid to a temporary backing sheet having a release surface; evaporating said liquid to provide on the release surface a thin air-impermeable layer of resin having a weight of from 0À1 to 2À0 gm./ft.<SP>2</SP>; placing the thin layer of resin backed by the backing sheet in contact with at least one face of a heated microporous sheet of resin and applying pressure to the backing sheet to cause the thin layer of resin to fuse to the microporous sheet and become airpermeable; after cooling, stripping the backing sheet from the thin layer of resin permanently fused to the microporous sheet. Alternatively a microporous sheet of resin having an air-permeable coating on at least one face thereof may be produced by spreading fine, granular thermoplastic resin in a uniform layer on a first resiliently compressible, fibrous sheet; placing over the exposed surface of the layer a second resiliently compressible, fibrous sheet, there being interposed between at least one of the fibrous sheets and the layer of granular thermoplastic resin a supported releasable thin air-impermeable film of resin having a weight of from 0À1 to 2À0 gm./ft.<SP>2</SP>; passing the resultant assembly between heated plates defining a passageway varying in thickness from a thickness at the entry of the passageway approximating the initial thickness of the assembly to a thickness less than the initial thickness at the exit of the passageway, the heated plates supplying heat and pressure to portions of the assembly passing therethrough to sinter the resin granules together into a microporous layer and to cause the releasable thin film of resin to fuse to the microporous layer and become air-permeable; and after cooling, stripping the thin film of resin film of resin fused to the microporous layer from its support. The thin film of resin may be releasably secured to one of the first and second compressible fibrous sheets, or to a separate supporting sheet interposed between one of the first and second compressible fibrous sheets and the layer of granular thermoplastic resin. Examples of thermoplastic resin are given.
GB34042/68A 1968-07-17 1968-07-17 Improvements in and relating to air-permeable coated microporous sheet material Expired GB1223899A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB34042/68A GB1223899A (en) 1968-07-17 1968-07-17 Improvements in and relating to air-permeable coated microporous sheet material
DE19681769822 DE1769822A1 (en) 1968-07-17 1968-07-19 Process for the production of a microporous layer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB34042/68A GB1223899A (en) 1968-07-17 1968-07-17 Improvements in and relating to air-permeable coated microporous sheet material
DE19681769822 DE1769822A1 (en) 1968-07-17 1968-07-19 Process for the production of a microporous layer

Publications (1)

Publication Number Publication Date
GB1223899A true GB1223899A (en) 1971-03-03

Family

ID=25755542

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34042/68A Expired GB1223899A (en) 1968-07-17 1968-07-17 Improvements in and relating to air-permeable coated microporous sheet material

Country Status (2)

Country Link
DE (1) DE1769822A1 (en)
GB (1) GB1223899A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2333740A (en) * 1998-01-30 1999-08-04 Gmp Co Ltd Laminating method
CN112142461A (en) * 2019-06-28 2020-12-29 比亚迪股份有限公司 Ceramic composition, ceramic, and preparation method and application thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2333740A (en) * 1998-01-30 1999-08-04 Gmp Co Ltd Laminating method
GB2333740B (en) * 1998-01-30 2001-05-09 Gmp Co Ltd Laminating method and lamination sheet
CN112142461A (en) * 2019-06-28 2020-12-29 比亚迪股份有限公司 Ceramic composition, ceramic, and preparation method and application thereof
CN112142461B (en) * 2019-06-28 2022-09-06 比亚迪股份有限公司 Ceramic composition, ceramic, and preparation method and application thereof

Also Published As

Publication number Publication date
DE1769822A1 (en) 1971-10-14

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