SE389053B - Forfarande for blandning av ett skummedel, som utgor ett icke-losningsmedel, med ett vermeplastificierat harts, som efter blandningen strengsprutas till en lagdensitetsprodukt med forbettrad homogenitet - Google Patents

Forfarande for blandning av ett skummedel, som utgor ett icke-losningsmedel, med ett vermeplastificierat harts, som efter blandningen strengsprutas till en lagdensitetsprodukt med forbettrad homogenitet

Info

Publication number
SE389053B
SE389053B SE7210803A SE1080372A SE389053B SE 389053 B SE389053 B SE 389053B SE 7210803 A SE7210803 A SE 7210803A SE 1080372 A SE1080372 A SE 1080372A SE 389053 B SE389053 B SE 389053B
Authority
SE
Sweden
Prior art keywords
homogenite
foam
constitutes
extracted
solvent
Prior art date
Application number
SE7210803A
Other languages
English (en)
Swedish (sv)
Inventor
M D Buckner
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 SE389053B publication Critical patent/SE389053B/xx

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices
    • 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
    • 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
    • B29C48/06—Rod-shaped
    • 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
    • Y10S264/13—Cell size and distribution control while molding a 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/17—Molding a foam containing a filler
    • 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
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/91—Plural blowing agents for producing nonpolyurethane cellular products

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
SE7210803A 1971-08-19 1972-08-18 Forfarande for blandning av ett skummedel, som utgor ett icke-losningsmedel, med ett vermeplastificierat harts, som efter blandningen strengsprutas till en lagdensitetsprodukt med forbettrad homogenitet SE389053B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17313071A 1971-08-19 1971-08-19

Publications (1)

Publication Number Publication Date
SE389053B true SE389053B (sv) 1976-10-25

Family

ID=22630663

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7210803A SE389053B (sv) 1971-08-19 1972-08-18 Forfarande for blandning av ett skummedel, som utgor ett icke-losningsmedel, med ett vermeplastificierat harts, som efter blandningen strengsprutas till en lagdensitetsprodukt med forbettrad homogenitet

Country Status (10)

Country Link
US (1) US3751377A (xx)
JP (1) JPS5721454B2 (xx)
AU (1) AU452935B2 (xx)
CA (1) CA956418A (xx)
DE (1) DE2239900B2 (xx)
ES (2) ES405948A1 (xx)
FR (1) FR2149562B1 (xx)
GB (1) GB1406878A (xx)
NL (1) NL7211174A (xx)
SE (1) SE389053B (xx)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2440022C2 (de) * 1974-08-21 1982-07-08 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Dämm- und Leichtbaustoffen und Vorrichtung zur Durchführung dieses Verfahrens
US3983080A (en) * 1974-09-20 1976-09-28 The Dow Chemical Company Extrusion foaming of normally crystalline vinylidene chloride polymers
DE2739998C3 (de) * 1977-09-06 1980-04-10 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Strangpreßvorrichtung zur Herstellung von geschäumtem Kunststoff
IT1109660B (it) * 1978-02-23 1985-12-23 Lavorazione Mat Plast Perfezionamento all estrusione di schiume sintetiche
JPS5835614B2 (ja) * 1979-03-09 1983-08-03 日本スチレンペ−パ−株式会社 ポリスチレン系樹脂板状発泡体の製造法
US4362482A (en) * 1980-01-09 1982-12-07 Cosden Technology, Inc. Apparatus for extruding thermoplastic compositions
JPS6052926B2 (ja) * 1981-05-18 1985-11-22 積水化成品工業株式会社 熱可塑性樹脂発泡体の製造方法及び装置
US4560334A (en) * 1981-09-01 1985-12-24 Cosden Technology, Inc. Apparatus for extruding thermoplastic compositions
US4387169A (en) * 1981-10-01 1983-06-07 The Dow Chemical Co. Low density, extruded ethylenic polymer foams
US4476077A (en) * 1981-12-16 1984-10-09 Mobil Oil Corporation Process for preparing a poly(p-methylstyrene) foam
US4636527A (en) * 1985-04-12 1987-01-13 The Dow Chemical Company Method for the preparation of styrene polymer foam and foam prepared thereby
KR900003049B1 (ko) * 1985-04-12 1990-05-04 더 다우 케미칼 캄파니 스티렌 중합체 발포제의 제조방법 및 이로부터 제조된 발포제
US4746478A (en) * 1985-07-24 1988-05-24 Sekisui Kaseihin Kogyo Kabushiki Kaisha Method and apparatus for production of foamed thermoplastic material
CA1255866A (en) * 1985-07-24 1989-06-20 Hiromu Fujisaki Method and apparatus for production of foamed thermoplastic material
DD246727A1 (de) * 1986-03-24 1987-06-17 Bauakademie Ddr Konditioniervorrichtung zur herstellung von thermoplastschaeumen
AU609736B2 (en) * 1986-09-19 1991-05-09 Dow Chemical Company, The Process and apparatus for producing extruded thermoplastic foam bodies
AU608533B2 (en) * 1986-09-19 1991-04-11 Dow Chemical Company, The Fluidized vacuum seal
JPS6390229A (ja) * 1986-10-03 1988-04-21 Toshiba Corp 光伝送方式
DD261271A3 (de) * 1986-10-29 1988-10-26 Bauakademie Ddr Vorrichtung zum konditionieren von thermoplastschmelzen beim extrusionsschaeumen
US5053202A (en) * 1990-08-02 1991-10-01 Olin Corporation Static mixer configuration
US5225451A (en) * 1992-08-27 1993-07-06 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US5290822A (en) * 1992-08-27 1994-03-01 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US6783710B1 (en) * 1994-02-21 2004-08-31 Sulzer Chemtech Ag Method for the production of expandable plastics granulate
US6113374A (en) * 1996-08-14 2000-09-05 Owens Corning Fiberglass Technology, Inc. Foam extrusion apparatus
KR20050010847A (ko) * 2002-05-30 2005-01-28 다우 글로벌 테크놀로지스 인크. 할로겐 비함유 내점화성 열가소성 수지 조성물
US8557884B2 (en) * 2002-05-31 2013-10-15 Owens Corning Intellectual Capital, Llc To enhance the thermal insulation of polymeric foam by reducing cell anisotropic ratio and the method for production thereof
AU2003230910A1 (en) * 2003-02-06 2004-09-06 Dow Global Technologies Inc. Halogen free ignition resistant thermoplastic resin compositions
ES2403187T3 (es) * 2005-03-17 2013-05-16 Sulzer Chemtech Ag Procedimiento e instalación para la fabricación continua de granulado de plástico que puede expandirse
AU2006320722B2 (en) * 2005-11-28 2012-04-19 Gala Industries, Inc. Apparatus and method for controlled pelletization processing
DE102007050681A1 (de) * 2007-10-22 2009-04-23 Coperion Werner & Pfleiderer Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung eines Polymergranulats
TW201008749A (en) * 2008-06-25 2010-03-01 Sulzer Chemtech Ag An apparatus and method for the introduction of a foaming agent

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3404869A (en) * 1966-07-18 1968-10-08 Dow Chemical Co Interfacial surface generator
US3358749A (en) * 1966-07-22 1967-12-19 Dow Chemical Co Interfacial surface generator and method of preparation thereof

Also Published As

Publication number Publication date
ES405948A1 (es) 1975-08-01
JPS4830765A (xx) 1973-04-23
ES413259A1 (es) 1976-01-01
NL7211174A (xx) 1973-02-21
AU4432072A (en) 1974-01-10
AU452935B2 (en) 1974-09-19
FR2149562B1 (xx) 1975-01-03
JPS5721454B2 (xx) 1982-05-07
CA956418A (en) 1974-10-22
GB1406878A (en) 1975-09-17
DE2239900B2 (de) 1976-11-25
FR2149562A1 (xx) 1973-03-30
DE2239900A1 (de) 1973-03-15
US3751377A (en) 1973-08-07

Similar Documents

Publication Publication Date Title
SE389053B (sv) Forfarande for blandning av ett skummedel, som utgor ett icke-losningsmedel, med ett vermeplastificierat harts, som efter blandningen strengsprutas till en lagdensitetsprodukt med forbettrad homogenitet
NO154133C (no) Polymerblanding paa basis av polybutadien for fremstilling av et trykkbestandig syntaktisk skum.
BR7208791D0 (pt) Processo para a preparacao de resina de moldagem aperfeicoada
NO140473C (no) Varmeherdbar pulverblanding paa epoksybasis, for fremstilling av et matt belegg
NO140747C (no) Fremgangsmaate til fremstilling av et lett fluidiserbart pulverformig inhaleringspreparat
SE409869B (sv) Forfarande for framstellning av en tverbunden, modifierad polymer
SE393389B (sv) Komposition, lemplig for framstellning av ett latexskum
NO139486C (no) Fremgangsmaate for fremstilling av en vaskemiddelblanding
ZA72238B (en) A heat-insulating foamed plastics plate
SE400982B (sv) Forfarande for framstellning av impregneringshartser av karbamid-formaldehydtyp i en trestegsreaktion
SE408132B (sv) Sett att framstella ett farmaceutiskt preparat av en penicillinforening i form av en dispersion avsedd for rektal anvendning
NO143628C (no) Fremgangsmaate til fremstilling av flammefaste fenolharpiks-skumstoffer.
SE400302B (sv) Hogtemperaturfast polyvinylkloridtermoplastblandning, innehallande ett polyvinylkloridharts, ett mjukningsmedel och en stabilisator-fyllmedeltillsats
SE427186B (sv) Forfarande for strengsprutning eller fromsprutning av en blandning omfattnde en termoplast eller herdplast jemte ett oorganiskt fyllmedel, i nervaro av ett jesmedel for bildning av ett strukturellt skum
SE400975B (sv) Forfarande for framstellning av ett nytt antibiotikum, benemnt 27 706 rp
NL146194C (nl) Werkwijze voor het bereiden van een mengsel van kunstharsen met geringe gasdoorlaatbaarheid.
GB1396757A (en) Process for the manufacture of latex foam mouldings
AU474637B2 (en) Process for preparing foamable synthetic resin granules
SE387647B (sv) Forfarande for framstellning av skumplast pa basis av en blandning av fenolformaldehydkondensationsprodukter
YU7472A (en) Process for preparing thermoplastic molding masses
IL39222A0 (en) The manufacture of phenol resin foams
AU460395B2 (en) A machine for producing foams or homogeneous materials
EG10720A (en) Eburnaminz-type new alkaloids and salts,and a process for the preparation thereof?
MY7500191A (en) Process for the preparation of 3-(halophenyl)-1,1-dialkyl ureas
SE390548B (sv) Forfarande for konditionering av textilier i tvettorken medelst en skumkomposition