IT1264930B1 - Process and system for the continuous production of polymer foams - Google Patents

Process and system for the continuous production of polymer foams

Info

Publication number
IT1264930B1
IT1264930B1 IT93MI001546A ITMI931546A IT1264930B1 IT 1264930 B1 IT1264930 B1 IT 1264930B1 IT 93MI001546 A IT93MI001546 A IT 93MI001546A IT MI931546 A ITMI931546 A IT MI931546A IT 1264930 B1 IT1264930 B1 IT 1264930B1
Authority
IT
Italy
Prior art keywords
pressure
continuous production
polymer foams
expansion
mixture
Prior art date
Application number
IT93MI001546A
Other languages
Italian (it)
Inventor
Carlo Fiorentini
Antony Charles Murra Griffiths
Original Assignee
Afros Spa
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 Afros Spa filed Critical Afros Spa
Publication of ITMI931546A0 publication Critical patent/ITMI931546A0/en
Priority to IT93MI001546A priority Critical patent/IT1264930B1/en
Priority to NO942522A priority patent/NO309077B1/en
Priority to TW083106078A priority patent/TW261577B/zh
Priority to FI943215A priority patent/FI943215A/en
Priority to CA002127475A priority patent/CA2127475A1/en
Priority to PL94304196A priority patent/PL304196A1/en
Priority to DK94110737.7T priority patent/DK0645226T3/en
Priority to ES94110737T priority patent/ES2102734T3/en
Priority to DE69403170T priority patent/DE69403170T2/en
Priority to EP96120468A priority patent/EP0770466A3/en
Priority to AT94110737T priority patent/ATE152956T1/en
Priority to EP94110737A priority patent/EP0645226B1/en
Priority to KR1019940016567A priority patent/KR960013632A/en
Priority to DE9411804U priority patent/DE9411804U1/en
Priority to ZA945028A priority patent/ZA945028B/en
Priority to JP6160308A priority patent/JPH07164454A/en
Priority to AU67464/94A priority patent/AU676913B2/en
Priority to CN94107866A priority patent/CN1054332C/en
Publication of ITMI931546A1 publication Critical patent/ITMI931546A1/en
Priority to US08/480,241 priority patent/US5629027A/en
Priority to US08/477,324 priority patent/US5639483A/en
Priority to US08/480,242 priority patent/US5620710A/en
Application granted granted Critical
Publication of IT1264930B1 publication Critical patent/IT1264930B1/en
Priority to GR970402016T priority patent/GR3024369T3/en
Priority to US09/291,088 priority patent/USRE37075E1/en
Priority to US09/291,086 priority patent/USRE37115E1/en
Priority to US09/291,087 priority patent/USRE37012E1/en

Links

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

A process and system for the continuous production of polymer foams. The reactive chemical components and additives comprising a low boiling point expansion agent are mixed under pressure; the mixture is then caused to pre-expand before the chemical reaction takes place, feeding the mixture through a pre-expansion and pressure- equalising device comprising a pressure-drop zone which opens into a pre-expansion cavity provided with an exit opening having a transverse cross-sectional area which is greater than that of the pressure-drop zone. <IMAGE>
IT93MI001546A 1993-07-14 1993-07-14 Process and system for the continuous production of polymer foams IT1264930B1 (en)

Priority Applications (25)

Application Number Priority Date Filing Date Title
IT93MI001546A IT1264930B1 (en) 1993-07-14 1993-07-14 Process and system for the continuous production of polymer foams
NO942522A NO309077B1 (en) 1993-07-14 1994-07-04 Process and system for continuous manufacture of polyurethane foam blocks
TW083106078A TW261577B (en) 1993-07-14 1994-07-04
FI943215A FI943215A (en) 1993-07-14 1994-07-05 Foaming method and system for the production of foamed polyurethane blocks
CA002127475A CA2127475A1 (en) 1993-07-14 1994-07-06 Froth process and system for continuous manufacture of polyurethane foam slab-stocks
PL94304196A PL304196A1 (en) 1993-07-14 1994-07-08 Method of continuously making foamed polymer boards and apparatus therefor
KR1019940016567A KR960013632A (en) 1993-07-14 1994-07-11 Foaming process and system for the continuous production of polyurethane foaming slab-stock
ES94110737T ES2102734T3 (en) 1993-07-14 1994-07-11 FOAMING PROCEDURE AND SYSTEM FOR THE MANUFACTURE OF CONTINUOUS POLYURETHANE FOAM BLOCKS.
DE69403170T DE69403170T2 (en) 1993-07-14 1994-07-11 Impact method and system for the continuous production of polyurethane foam blocks
EP96120468A EP0770466A3 (en) 1993-07-14 1994-07-11 Frothing process and system for continous manufacture of polyurethane foam slab-stock
AT94110737T ATE152956T1 (en) 1993-07-14 1994-07-11 IMPACT METHOD AND SYSTEM FOR CONTINUOUS PRODUCTION OF POLYURETHANE FOAM BLOCKS
EP94110737A EP0645226B1 (en) 1993-07-14 1994-07-11 Froth process and system for continuous manufacture of polyurethane foam slab-stocks
DK94110737.7T DK0645226T3 (en) 1993-07-14 1994-07-11 Foaming method and system for continuous production of polyurethane foam blocks
DE9411804U DE9411804U1 (en) 1993-07-14 1994-07-12 Device for the production of polymer foam blocks
ZA945028A ZA945028B (en) 1993-07-14 1994-07-12 Froth process and system for continuous manufacture of polyurethane foam slab-stocks
JP6160308A JPH07164454A (en) 1993-07-14 1994-07-12 Method for continuously producing polyurethane slab stok foam and device therefor
AU67464/94A AU676913B2 (en) 1993-07-14 1994-07-13 Froth process and system for continuous manufacture of polyurethane foam slab-stocks
CN94107866A CN1054332C (en) 1993-07-14 1994-07-14 Froth process and system for continuous manufacture of polyurethane foam slab-stocks
US08/480,241 US5629027A (en) 1993-07-14 1995-06-07 Froth system for continuous manufacture of polyurethane foam slab-stocks
US08/477,324 US5639483A (en) 1993-07-14 1995-06-07 Froth system for continuous manufacture of polyurethane foam slab-stocks
US08/480,242 US5620710A (en) 1993-07-14 1995-06-07 Froth system for continuous manufacture of polyurethane foam slab-stocks
GR970402016T GR3024369T3 (en) 1993-07-14 1997-08-06 Froth process and system for continuous manufacture of polyurethane foam slab-stocks.
US09/291,088 USRE37075E1 (en) 1993-07-14 1999-04-14 Froth system for continuous manufacture of polyurethane foam slab-stocks
US09/291,086 USRE37115E1 (en) 1993-07-14 1999-04-14 Froth system for continuous manufacture of polyurethane foam slab-stocks
US09/291,087 USRE37012E1 (en) 1993-07-14 1999-04-14 Froth system for continuous manufacture of polyurethane foam slab-stocks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT93MI001546A IT1264930B1 (en) 1993-07-14 1993-07-14 Process and system for the continuous production of polymer foams

Publications (3)

Publication Number Publication Date
ITMI931546A0 ITMI931546A0 (en) 1993-07-14
ITMI931546A1 ITMI931546A1 (en) 1995-01-14
IT1264930B1 true IT1264930B1 (en) 1996-10-17

Family

ID=11366601

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93MI001546A IT1264930B1 (en) 1993-07-14 1993-07-14 Process and system for the continuous production of polymer foams

Country Status (2)

Country Link
IT (1) IT1264930B1 (en)
ZA (1) ZA945028B (en)

Also Published As

Publication number Publication date
ZA945028B (en) 1995-02-23
ITMI931546A1 (en) 1995-01-14
ITMI931546A0 (en) 1993-07-14

Similar Documents

Publication Publication Date Title
EP0770466A3 (en) Frothing process and system for continous manufacture of polyurethane foam slab-stock
AR000187A1 (en) Procedure and device for producing foam using carbon dioxide dissolved under pressure
CA2307370A1 (en) Method for producing a powder from a liquid substance or mixture of substances
WO2002000412A3 (en) Foam and method of making
ES2164760T3 (en) POLYMER FOAM EXTRUDED WITH LOAD PARTICLES AND PROCEDURE TO PRODUCE IT.
EP0920966A3 (en) A process for devolatilization
CA2282597A1 (en) Methods for producing styrene resin extruded foams, and foams produced thereby
CA2102227A1 (en) Process for Extruding Low Density Foam Using Water Blowing Agent
HUT75810A (en) Closed cell, low density ethylene (co)polymer foams and process for producing thereof
GR3017960T3 (en) Method and device to make construction foam, in particular cement foam.
ES553904A0 (en) A PROCEDURE FOR PRODUCING AN EXTENDED FOAM BODY, EXTRUDED FROM ALKENYL-AROMATIC THERMOPLASTIC RESIN.
IT1264930B1 (en) Process and system for the continuous production of polymer foams
MY119772A (en) Continuous process for manufacturing polyolefin foam beads
DK0555568T3 (en) Process for producing a foam material
FR2572380B2 (en) METHANOL REFORMING PROCESS AND IMPLEMENTING DEVICE
DE2964165D1 (en) Process for producing polyolefin foams
CA2034319A1 (en) A process for producing synthetic resin foam
ES2137831B1 (en) HYDROGEN PEROXIDE PRODUCTION PROCEDURE THROUGH OXIDATION OF SECONDARY ALCOHOLS WITH LIQUID PHASE MOLECULAR OXYGEN.
CA1073873A (en) Method of introducing reaction mixtures for single-component foams into pressure containers
TW329405B (en) A process for producing foam materials from two-component reactive plastics using carbon dioxide as blowing agent and the device thereof
HU901191D0 (en) Process for producing of extruded foamed solids
IT1273611B (en) Process and equipment for the preparation of foamable polyurethane mixtures
ES8500970A1 (en) Process for the quick dissolving of water soluble polymers (I).
JPS53124573A (en) Manufacture of highly crystalline polyolefin resin foams
KR970703843A (en) Method and Device for the Production of Foam Using Carbon Dioxide Dissolved Under Pressure

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970729