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NO944003L - Polymer articles and materials - Google Patents

Polymer articles and materials

Info

Publication number
NO944003L
NO944003L NO944003A NO944003A NO944003L NO 944003 L NO944003 L NO 944003L NO 944003 A NO944003 A NO 944003A NO 944003 A NO944003 A NO 944003A NO 944003 L NO944003 L NO 944003L
Authority
NO
Norway
Prior art keywords
water
relatively water
nozzle
polymer
relatively
Prior art date
Application number
NO944003A
Other languages
Norwegian (no)
Other versions
NO944003D0 (en
Inventor
Paul Anthony Taylor
Kevin Mark Goninan
Original Assignee
British Tech Group Int
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
Priority claimed from GB929208834A external-priority patent/GB9208834D0/en
Priority claimed from GB939305322A external-priority patent/GB9305322D0/en
Application filed by British Tech Group Int filed Critical British Tech Group Int
Publication of NO944003D0 publication Critical patent/NO944003D0/en
Publication of NO944003L publication Critical patent/NO944003L/en

Links

Classifications

    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
    • B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit zone
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29K2029/00—Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals or derivatives thereof as moulding material
    • B29K2029/04—PVOH, i.e. polyvinyl alcohol
    • 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
    • B29K2031/00—Use of polyvinylesters or derivatives thereof as moulding material
    • B29K2031/04—Polymers of vinyl acetate, e.g. PVAc, i.e. polyvinyl acetate
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0056—Biocompatible, e.g. biopolymers or bioelastomers
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0059—Degradable
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0059—Degradable
    • B29K2995/006—Bio-degradable, e.g. bioabsorbable, bioresorbable or bioerodible
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0092—Other properties hydrophilic
    • 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
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • 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
    • B29L2009/00—Layered products
    • 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
    • B29L2031/769—Sanitary equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Peptides Or Proteins (AREA)
  • Materials For Medical Uses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Graft Or Block Polymers (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

Forbedringer ved fremstilling av organiske flerskikts polymerkompositter, spesielt anvendelig for komposit- ter innbefattende tilstøtende skikt av en relativt vannløselig polymer (f.eks. partielt hydrolysert polyvinylalkohol) og en relativt vannuløselig polymer (f.eks. en fullstendig hydrolysert polyvinylalhohol). De ekstruderte skikt bringes sammen inne i dekselet eller ved en pressanordning utenfor dysen, eller det relativt vannuloselige skikt kan belegges på det relativt vannløselige skikt. Spesifikke utforminger av dysen kreves, likeledes spesifikke ekstruderbare sammensetninger og apparat for transport av dem til dysene. Oppfinnelsen tilveiebringer for første gang et utvalg av artikler hvor plastdelene er vannkompa- tible ved normal bruk, men er fullstendig nedbrytbare ved kontakt med vann når de kastes, såsom sanitære artikler som kastes i WC, og vann-nedbrytbare stive beholdere for olje eller bensin.Improvements in the preparation of organic multilayer polymer composites, especially useful for composites including adjacent layers of a relatively water-soluble polymer (e.g., partially hydrolyzed polyvinyl alcohol) and a relatively water-insoluble polymer (e.g., a fully hydrolyzed polyvinyl alcohol). The extruded layers are brought together inside the cover or by a press device outside the nozzle, or the relatively water-insoluble layer can be coated on the relatively water-soluble layer. Specific designs of the nozzle are required, as are specific extrudable compositions and apparatus for transporting them to the nozzles. The invention provides, for the first time, a selection of articles where the plastic parts are water-compatible under normal use, but are completely degradable upon contact with water when disposed of, such as sanitary articles thrown into the WC, and water-degradable rigid containers for oil or gasoline.

NO944003A 1992-04-23 1994-10-21 Polymer articles and materials NO944003L (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB929208834A GB9208834D0 (en) 1992-04-23 1992-04-23 Coextrusion die,method and apparatus
GB939305322A GB9305322D0 (en) 1993-03-16 1993-03-16 Coextrusion method and apparatus
PCT/GB1993/000854 WO1993022125A1 (en) 1992-04-23 1993-04-23 Polymeric articles and materials

Publications (2)

Publication Number Publication Date
NO944003D0 NO944003D0 (en) 1994-10-21
NO944003L true NO944003L (en) 1994-12-20

Family

ID=26300766

Family Applications (1)

Application Number Title Priority Date Filing Date
NO944003A NO944003L (en) 1992-04-23 1994-10-21 Polymer articles and materials

Country Status (13)

Country Link
EP (1) EP0644823A1 (en)
JP (1) JPH07508688A (en)
KR (1) KR950701272A (en)
AU (1) AU4021493A (en)
BR (1) BR9306286A (en)
CA (1) CA2134101A1 (en)
CZ (1) CZ261594A3 (en)
FI (1) FI944958A7 (en)
GB (1) GB2282100A (en)
HU (1) HUT70712A (en)
NO (1) NO944003L (en)
SK (1) SK127794A3 (en)
WO (1) WO1993022125A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0701490A4 (en) * 1993-04-29 1996-12-18 Travis W Honeycutt PROCESS FOR THE DISPOSAL OF CLOTHING AND OTHER TEXTILES SOLUBLE IN HOT WATER
GB9415720D0 (en) * 1994-08-03 1994-09-21 Environmental Polymers Ltd Extrusion and moulding apparatus and method
US6579814B1 (en) 1994-12-30 2003-06-17 3M Innovative Properties Company Dispersible compositions and articles of sheath-core microfibers and method of disposal for such compositions and articles
US5472518A (en) * 1994-12-30 1995-12-05 Minnesota Mining And Manufacturing Company Method of disposal for dispersible compositions and articles
IES80667B2 (en) * 1997-04-15 1998-11-18 Solplax Limited Controlled degradation coatings and a method for their manufacture
US5965624A (en) * 1997-06-27 1999-10-12 Eval Company Of America Self purging EVOH compositions, and methods
US6117438A (en) * 1997-12-31 2000-09-12 Kimberly-Clark Worldwide, Inc. Water degradable microlayer polymer film and articles including same
US6838504B1 (en) 1998-05-06 2005-01-04 Solucorp Industries Ltd. Integrated fixation systems
GB0228618D0 (en) * 2002-12-07 2003-01-15 Grt Ltd Method & apparatus for packing powdered or granular material
GB2430060A (en) 2005-09-08 2007-03-14 Hewlett Packard Development Co Flows for variable data printing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2100192C3 (en) * 1971-01-04 1983-02-24 Kautex Werke Reinold Hagen Gmbh, 5300 Bonn Extrusion head for producing a hollow strand
SE428542B (en) * 1976-02-18 1983-07-11 Montedison Spa PROCEDURE FOR MANUFACTURING TWO OR MULTILAYER PRODUCTS MANUFACTURED FROM THERMOPLASTIC MATERIAL
US4094947A (en) * 1976-09-03 1978-06-13 The Dow Chemical Company Multilayer coextrusion process for producing selective reflectivity
US4407881A (en) * 1981-05-30 1983-10-04 Dai Nippon Insatsu Kabushiki Kaisha Decorative sheets and processes for producing decorative articles by using the same
GB9016151D0 (en) * 1990-07-24 1990-09-05 Bhp Plastics Ltd Composite polymeric articles
US5196247A (en) * 1991-03-01 1993-03-23 Clopay Corporation Compostable polymeric composite sheet and method of making or composting same

Also Published As

Publication number Publication date
GB9421384D0 (en) 1994-12-21
GB2282100A (en) 1995-03-29
EP0644823A1 (en) 1995-03-29
CA2134101A1 (en) 1993-11-11
JPH07508688A (en) 1995-09-28
HU9403063D0 (en) 1995-01-30
HUT70712A (en) 1995-10-30
WO1993022125A1 (en) 1993-11-11
FI944958L (en) 1994-12-12
AU4021493A (en) 1993-11-29
FI944958A7 (en) 1994-12-12
NO944003D0 (en) 1994-10-21
BR9306286A (en) 1998-06-30
KR950701272A (en) 1995-03-23
SK127794A3 (en) 1995-07-11
FI944958A0 (en) 1994-10-21
CZ261594A3 (en) 1995-06-14

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