RO65149A - PROCESS FOR OBTAINING A FIBROUS GEL OF POLYETHYLENE OR POLYPROPYLENE - Google Patents

PROCESS FOR OBTAINING A FIBROUS GEL OF POLYETHYLENE OR POLYPROPYLENE

Info

Publication number
RO65149A
RO65149A RO6650671A RO6650671A RO65149A RO 65149 A RO65149 A RO 65149A RO 6650671 A RO6650671 A RO 6650671A RO 6650671 A RO6650671 A RO 6650671A RO 65149 A RO65149 A RO 65149A
Authority
RO
Romania
Prior art keywords
polypropylene
polyethylene
obtaining
fibrous gel
fibrous
Prior art date
Application number
RO6650671A
Other languages
French (fr)
Romanian (ro)
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 filed Critical
Publication of RO65149A publication Critical patent/RO65149A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/40—Formation of filaments, threads, or the like by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04—Pressure vessels, e.g. autoclaves
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/38—Formation of filaments, threads, or the like during polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00027—Process aspects
    • B01J2219/00033—Continuous processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)
  • Paper (AREA)
  • Graft Or Block Polymers (AREA)
RO6650671A 1970-04-09 1971-04-06 PROCESS FOR OBTAINING A FIBROUS GEL OF POLYETHYLENE OR POLYPROPYLENE RO65149A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2705370A 1970-04-09 1970-04-09
US6919470A 1970-09-03 1970-09-03

Publications (1)

Publication Number Publication Date
RO65149A true RO65149A (en) 1980-07-15

Family

ID=26701977

Family Applications (1)

Application Number Title Priority Date Filing Date
RO6650671A RO65149A (en) 1970-04-09 1971-04-06 PROCESS FOR OBTAINING A FIBROUS GEL OF POLYETHYLENE OR POLYPROPYLENE

Country Status (8)

Country Link
AR (1) AR198943A1 (en)
BE (1) BE765506A (en)
ES (1) ES390036A1 (en)
FR (1) FR2131145A5 (en)
GB (1) GB1350487A (en)
LU (1) LU62961A1 (en)
NL (1) NL7104718A (en)
RO (1) RO65149A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997648A (en) * 1972-01-03 1976-12-14 Gulf Research & Development Company Fibril formation process
US4084949A (en) * 1975-11-06 1978-04-18 The Dexter Corporation Surgical face mask filtering medium
US4274917A (en) * 1979-02-28 1981-06-23 Gulf Oil Corporation Paper products
FR2527619A1 (en) * 1982-05-27 1983-12-02 Ici Plc PROCESS FOR THE SEPARATION OF A POLYMER FROM A SOLUTION BY FORMATION OF A GEL AND EVAPORATION
CN1750872A (en) 2004-01-15 2006-03-22 环境应用研究技术机构－地球(加拿大)有限公司 Reusable Adsorbent Coalescing Agent
US8425848B2 (en) 2009-02-20 2013-04-23 Premex Reactor Ag Needle reactor

Also Published As

Publication number Publication date
ES390036A1 (en) 1974-04-01
DE2117370A1 (en) 1971-10-28
DE2117370B2 (en) 1976-07-01
GB1350487A (en) 1974-04-18
NL7104718A (en) 1971-10-12
BE765506A (en) 1971-08-30
AR198943A1 (en) 1974-07-31
LU62961A1 (en) 1971-08-26
FR2131145A5 (en) 1972-11-10

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