FR2115471A1 - Polyester foam - from fluid resin stirred under pressure of an inert gas - Google Patents

Polyester foam - from fluid resin stirred under pressure of an inert gas

Info

Publication number
FR2115471A1
FR2115471A1 FR7142673A FR7142673A FR2115471A1 FR 2115471 A1 FR2115471 A1 FR 2115471A1 FR 7142673 A FR7142673 A FR 7142673A FR 7142673 A FR7142673 A FR 7142673A FR 2115471 A1 FR2115471 A1 FR 2115471A1
Authority
FR
France
Prior art keywords
inert gas
under pressure
stirred under
fluid resin
polyester foam
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.)
Granted
Application number
FR7142673A
Other languages
English (en)
French (fr)
Other versions
FR2115471B1 (enExample
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.)
Arthur D Little Inc
Original Assignee
Arthur D Little Inc
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 Arthur D Little Inc filed Critical Arthur D Little Inc
Publication of FR2115471A1 publication Critical patent/FR2115471A1/fr
Application granted granted Critical
Publication of FR2115471B1 publication Critical patent/FR2115471B1/fr
Granted legal-status Critical Current

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
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7404—Mixing devices specially adapted for foamable substances
    • B29B7/7409—Mixing devices specially adapted for foamable substances with supply of gas
    • B29B7/7414—Mixing devices specially adapted for foamable substances with supply of gas with rotatable stirrer, e.g. using an intermeshing rotor-stator system
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent

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)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Portable Nailing Machines And Staplers (AREA)
FR7142673A 1970-11-30 1971-11-29 Polyester foam - from fluid resin stirred under pressure of an inert gas Granted FR2115471A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9378970A 1970-11-30 1970-11-30

Publications (2)

Publication Number Publication Date
FR2115471A1 true FR2115471A1 (en) 1972-07-07
FR2115471B1 FR2115471B1 (enExample) 1974-07-19

Family

ID=22240721

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7142673A Granted FR2115471A1 (en) 1970-11-30 1971-11-29 Polyester foam - from fluid resin stirred under pressure of an inert gas

Country Status (4)

Country Link
JP (1) JPS4911960A (enExample)
DE (1) DE2158272A1 (enExample)
FR (1) FR2115471A1 (enExample)
SE (1) SE7115229L (enExample)

Also Published As

Publication number Publication date
SE7115229L (enExample) 1972-05-31
FR2115471B1 (enExample) 1974-07-19
JPS4911960A (enExample) 1974-02-01
DE2158272A1 (de) 1972-06-08

Similar Documents

Publication Publication Date Title
AU4955172A (en) A process of and apparatus for treating a liquid such as water, with oxidising gas in a closed-loop system
GB1369094A (en) Process for the polymerisation of cycloalkenes
ES289769A1 (es) Procedimiento para el tratamiento de productos gelatinosos, fibrosos y similares
FR2115471A1 (en) Polyester foam - from fluid resin stirred under pressure of an inert gas
FR2126610A5 (en) Liquid degasifier - with recycling to obtain complete degasification
ES397629A1 (es) Perfeccionamientos en un aparato para la produccion de ar- ticulos de cemento y similares.
ES433181A1 (es) Un procedimiento para orientar fibra en una matriz.
GB1417464A (en) Method of introducing catlayst into a polymerization vessel
NL7905328A (en) Sepn. of particles from liq. suspension - by expansion of mixt. with gas or vapour, to give adherent buoyant bubbles
FR2041748A1 (en) Fertilizers from lignite
ES447235A1 (es) Perfeccionamientos en vaporizadores de elevada temperatura ualta presion.
GB1470070A (en) Process for the flame-profing impregnation of wood
BE781329A (fr) File d'asbeste renforce avec un toron continu d'alcool polyvinylique
FR2036597A5 (en) Expressing grape juice
JPS52133173A (en) Stirrer
FR2156820A1 (en) Polyester mouldings with specific surface props - - by addn of cpds of catalytic alkali(ne earth) cations to co-esterification
ES406617A1 (es) Metodo para preparar material granular.
GB1261153A (en) Polymerization of beta-lactones
FR2155496A5 (en) Incombustible light building materials - made from foamable mixt contg silicon, porous powders, water glass
NL162179C (nl) Gasdynamische drukgolfgenerator.
NL165817C (nl) Gasdynamische drukgolfmachine.
FR2105295A5 (en) Alumino-thermic welding - stopper for crucible bottom
AU456096B2 (en) Method of and apparatus for producing liquid impregnated fibrous material
ES384474A1 (es) Metodo y aparato para extruir un material a traves de un conducto en un proceso de extrusion hidrostatica por medio de un fluido a presion.
AU3554668A (en) A boat supported by static pressure of gas

Legal Events

Date Code Title Description
ST Notification of lapse