CH509137A - Vorrichtung zur Dichteänderung synthetischer Schaumstoffteilchen - Google Patents

Vorrichtung zur Dichteänderung synthetischer Schaumstoffteilchen

Info

Publication number
CH509137A
CH509137A CH799270A CH799270A CH509137A CH 509137 A CH509137 A CH 509137A CH 799270 A CH799270 A CH 799270A CH 799270 A CH799270 A CH 799270A CH 509137 A CH509137 A CH 509137A
Authority
CH
Switzerland
Prior art keywords
density
changing
foam particles
synthetic foam
synthetic
Prior art date
Application number
CH799270A
Other languages
English (en)
Inventor
Marvin Corbett John
Larry Fookes James
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of CH509137A publication Critical patent/CH509137A/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • B29B17/0036—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting of large particles, e.g. beads, granules, pellets, flakes, slices
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • 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
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • B29K2025/04—Polymers of styrene
    • B29K2025/06—PS, i.e. polystyrene
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/911—Recycling consumer used articles or products
    • Y10S264/916—From porous material containing articles, e.g. sponge, foam
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Molding Of Porous Articles (AREA)
  • Glanulating (AREA)
CH799270A 1969-06-19 1970-05-28 Vorrichtung zur Dichteänderung synthetischer Schaumstoffteilchen CH509137A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83467769A 1969-06-19 1969-06-19

Publications (1)

Publication Number Publication Date
CH509137A true CH509137A (de) 1971-06-30

Family

ID=25267523

Family Applications (1)

Application Number Title Priority Date Filing Date
CH799270A CH509137A (de) 1969-06-19 1970-05-28 Vorrichtung zur Dichteänderung synthetischer Schaumstoffteilchen

Country Status (9)

Country Link
US (1) US3607999A (de)
JP (1) JPS5035944B1 (de)
BE (1) BE752162A (de)
CH (1) CH509137A (de)
DE (1) DE2028629A1 (de)
FR (1) FR2046894B1 (de)
GB (1) GB1313203A (de)
NL (1) NL7008870A (de)
SE (1) SE352838B (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723582A (en) * 1970-05-22 1973-03-27 T Winstead Method for reclaiming the selvage of foamed thermoplastic web
US3746610A (en) * 1971-01-29 1973-07-17 Du Pont Composite boards prepared from foam sheeting
US3883624A (en) * 1971-11-18 1975-05-13 Grandview Ind Limited Recovery and utilization of scrap in production of foamed thermoplastic polymeric products
US3859404A (en) * 1972-10-19 1975-01-07 Arco Polymers Inc Densifying plastic foam scrap
US4207378A (en) * 1973-03-16 1980-06-10 Max Klein Expanded styrene-polymers and polyolefin micro-bits and their preparation
US4200679A (en) * 1973-03-16 1980-04-29 Max Klein Micro-bits of expanded flexible polyurethanes
US4184829A (en) * 1974-03-15 1980-01-22 The General Tire & Rubber Company Apparatus for reprocessing scrap from fabric reinforced thermoplastic sheet
US4033907A (en) * 1975-07-07 1977-07-05 Monsanto Company Reclaiming waste plastics
US4112038A (en) * 1976-09-02 1978-09-05 Lowe Paper Company Method for producing molded articles
US4189458A (en) * 1976-12-20 1980-02-19 Standard Oil Company A Corporation Of Indiana Method for converting polymer powder to pellets
IT1077340B (it) * 1977-07-18 1985-05-04 Longhi Eligio Dispositivo e procedimento per il recupero di scarti di materiale termoplastico,anche di forme eterogenee,mediante graduale fusione e compressione attraverso uno o piu' orifizi
US4304873A (en) * 1977-09-15 1981-12-08 Max Klein Preparation of expanded flexible polyurethane foam micro-bits
US4342813A (en) * 1978-03-14 1982-08-03 Phillips Petroleum Company Method for the production of a fused nonwoven fabric
US4254068A (en) * 1978-12-19 1981-03-03 Otsuka Sangyo Kabushiki Kaisha Method and apparatus for regenerating foamed plastics
DE3031839C2 (de) * 1980-08-23 1983-10-20 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zum kontinuierlichen Herstellen einer gemusterten Bahn aus thermoplastischem Kunststoff
US4451583A (en) * 1982-01-26 1984-05-29 Olin Corporation Recycling of flexible polyurethane foam scrap
US4452751A (en) * 1982-02-26 1984-06-05 The Dow Chemical Company Styrena polymer foam made with α-polyolefin additives
LU84277A1 (fr) * 1982-07-16 1984-03-22 Synfina Sa Procede et appareillage de redensification de mousse de resine thermoplastique
US4531950A (en) * 1983-12-19 1985-07-30 Cellu Products Company Method and apparatus for recovering blowing agent from scrap foam
US4531951A (en) * 1983-12-19 1985-07-30 Cellu Products Company Method and apparatus for recovering blowing agent in foam production
JPS61101539A (ja) * 1984-10-23 1986-05-20 Kanegafuchi Chem Ind Co Ltd ポリオレフイン系樹脂予備発泡粒子中の揮発性発泡剤の回収方法
US5470521A (en) * 1989-07-19 1995-11-28 Mobil Oil Corporation Method for the thermal densification of thermoplastic articles
US4973438A (en) * 1989-09-18 1990-11-27 Davidson Textron Inc. Method for foam filling vinyl articles
US5129587A (en) * 1990-12-10 1992-07-14 Neefe Charles W Method of making polystyrene fluff from foamed polystyrene
DE9109781U1 (de) * 1991-08-07 1991-12-05 Fischer Recycling GmbH u. Co KG, 7980 Ravensburg Vorrichtung zum Aufschmelzen von gebrauchten Hartschaumstoffen aus Polystyrol
DE4137170A1 (de) * 1991-11-12 1993-05-13 Reinhold Zenk Verfahren zur schuettvolumenreduktion von gegenstaenden aus thermoplastischen kunststoffen sowie vorrichtung hierzu
DK0631537T3 (da) * 1992-01-27 1996-11-04 Urban Stricker Fremgangsmåde og indretning til at indsamle og behandle affald, der indeholder strakte plaster
DE4202095C2 (de) * 1992-01-27 1994-11-03 Fleischhauer Rosa Emilia Verfahren und Vorrichtungen zur Erfassung und Aufbereitung von verstreckte Kunststoffe enthaltenden Abfällen
GB2275271B (en) * 1993-02-16 1996-07-31 Sam White Ray Reclamation of thermoplastic wastes
IL106460A (en) * 1993-07-23 1997-09-30 Palboard Ltd Method of recycling plastic materials
DE4411164C1 (de) * 1994-03-30 1995-05-18 Rieter Automatik Gmbh Verfahren und Vorrichtung zum Herstellen eines aufschäumbaren Kunststoffs
DE19502352C2 (de) * 1995-01-26 1997-03-27 Urban Dipl Ing Stricker Vorrichtung zur Wärmebehandlung von kunststoffhaltigen Schüttgütern
CA2250878C (en) 1996-04-02 2005-08-23 Urban Stricker Device for the thermal treatment of bulk material in screw conveyors
US6130261A (en) * 1997-05-20 2000-10-10 Genpak, L.L.C. Method of recycling polyester foam
WO1999040250A2 (en) 1998-02-04 1999-08-12 Mannington Mills, Inc. Surface coverings containing fused recycled material and processes of making the same
JPH11300740A (ja) * 1998-04-15 1999-11-02 Sony Corp 発泡スチロールの再利用方法及び発泡スチロール処理装置
US6270330B1 (en) * 2000-07-06 2001-08-07 Shao-Szu Cheng Waste foamed polystyrene material reclaiming system
KR20030059827A (ko) * 2000-12-04 2003-07-10 노바 케미칼즈 인코포레이팃드 발포성 중합체 조성물의 발포 기포질 입자
US6588772B2 (en) 2000-12-28 2003-07-08 The Burton Corporation Sintered sheet plastic material and gliding board base material
US20030067094A1 (en) * 2001-09-20 2003-04-10 Dempsey Richard W. Treating polystyrene foam
CA2435144C (en) * 2003-07-15 2010-06-15 Beaver Plastics Ltd. Top dressing for seedling containers
US20100145005A1 (en) * 2008-12-04 2010-06-10 Sebright Products, Inc. Method and apparatus for densifying polypropylene
US9724852B1 (en) 2009-05-22 2017-08-08 Columbia Insurance Company High density composites comprising reclaimed carpet material
US9410026B1 (en) 2009-05-22 2016-08-09 Columbia Insurance Company Rebond polyurethane foam comprising reclaimed carpet material and methods for the manufacture of same
US10525507B2 (en) * 2012-09-18 2020-01-07 Hector DeFino System for recycling asphalt millings and methods thereof
WO2016016806A1 (en) * 2014-08-01 2016-02-04 Euronewpack S.R.L. Method for making a product by recycling polyethylene foam, system for making said product and product obtained therewith.
CN113001814B (zh) * 2021-03-23 2022-09-06 山东道韵网业有限公司 一种再生塑料颗粒造粒机
CN113680447A (zh) * 2021-09-01 2021-11-23 新昌县中邦塑粉科技有限公司 一种塑料粉末研磨设备以及超薄型塑料粉末的制造方法

Also Published As

Publication number Publication date
FR2046894A1 (de) 1971-03-12
GB1313203A (en) 1973-04-11
US3607999A (en) 1971-09-21
BE752162A (fr) 1970-12-18
SE352838B (de) 1973-01-15
DE2028629A1 (de) 1971-02-04
NL7008870A (de) 1970-12-22
JPS5035944B1 (de) 1975-11-20
FR2046894B1 (de) 1973-01-12

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Legal Events

Date Code Title Description
PL Patent ceased