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BR7200523D0 - Processo para polimerizar um monometro vinilico em presenca de um coloide protetor - Google Patents

Processo para polimerizar um monometro vinilico em presenca de um coloide protetor

Info

Publication number
BR7200523D0
BR7200523D0 BR000523/72A BR52372A BR7200523D0 BR 7200523 D0 BR7200523 D0 BR 7200523D0 BR 000523/72 A BR000523/72 A BR 000523/72A BR 52372 A BR52372 A BR 52372A BR 7200523 D0 BR7200523 D0 BR 7200523D0
Authority
BR
Brazil
Prior art keywords
monometer
polymerizing
vinyl
coloid
protective
Prior art date
Application number
BR000523/72A
Other languages
English (en)
Inventor
G Greminger
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 BR7200523D0 publication Critical patent/BR7200523D0/pt

Links

Classifications

    • 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
    • C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
    • C08F251/02—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof on to cellulose or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
    • 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
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/91—Suspending agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Polymerisation Methods In General (AREA)
BR000523/72A 1971-02-01 1972-01-31 Processo para polimerizar um monometro vinilico em presenca de um coloide protetor BR7200523D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11163071A 1971-02-01 1971-02-01

Publications (1)

Publication Number Publication Date
BR7200523D0 true BR7200523D0 (pt) 1973-08-23

Family

ID=22339576

Family Applications (1)

Application Number Title Priority Date Filing Date
BR000523/72A BR7200523D0 (pt) 1971-02-01 1972-01-31 Processo para polimerizar um monometro vinilico em presenca de um coloide protetor

Country Status (2)

Country Link
US (1) US3719651A (pt)
BR (1) BR7200523D0 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2225236C3 (de) * 1972-05-24 1979-12-20 Wacker-Chemie Gmbh, 8000 Muenchen Verfahren zur Polymerisation von Vinylchlorid
US3862924A (en) * 1973-11-07 1975-01-28 Rohm & Haas Suspension polymerization in brine of uniform spherical polymer beads
US3879365A (en) * 1974-01-07 1975-04-22 Dow Chemical Co Hydroxyethyl hydroxypropyl methylcellulose as a protective colloid in vinyl chloride polymerization
JPS6024122B2 (ja) * 1977-01-05 1985-06-11 三菱化学株式会社 ビ−ズ状重合体の製造方法
US4163090A (en) * 1977-09-27 1979-07-31 The Dow Chemical Company Process for preparing normally crystalline vinylidene halide polymers having superior flow properties employing a combination of colloidal silica and non-ionic water soluble cellulose ether having a viscosity of about 5 cp or less as stabilizing agents
FR2652813B1 (fr) * 1989-10-09 1993-05-28 Solvay Procede pour reduire le croutage des reacteurs en cours de polymerisation du fluorure de vinylidene dans un milieu aqueux de mise en suspension.

Also Published As

Publication number Publication date
US3719651A (en) 1973-03-06

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