BR7804015A - PROCESS OF PREPARATION OF HARD COPOLIMER PEARLS - Google Patents

PROCESS OF PREPARATION OF HARD COPOLIMER PEARLS

Info

Publication number
BR7804015A
BR7804015A BR787804015A BR7804015A BR7804015A BR 7804015 A BR7804015 A BR 7804015A BR 787804015 A BR787804015 A BR 787804015A BR 7804015 A BR7804015 A BR 7804015A BR 7804015 A BR7804015 A BR 7804015A
Authority
BR
Brazil
Prior art keywords
copolimer
pearls
hard
preparation
hard copolimer
Prior art date
Application number
BR787804015A
Other languages
Portuguese (pt)
Inventor
T Howell
Original Assignee
Rohm & Haas
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 Rohm & Haas filed Critical Rohm & Haas
Publication of BR7804015A publication Critical patent/BR7804015A/en

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
    • C08F4/00—Polymerisation catalysts
    • C08F4/28—Oxygen or compounds releasing free oxygen
    • C08F4/32—Organic compounds
    • 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
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/16—Organic material
    • B01J39/18—Macromolecular compounds
    • B01J39/20—Macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
    • 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
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06—Hydrocarbons
    • C08F212/08—Styrene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)
BR787804015A 1977-06-27 1978-06-26 PROCESS OF PREPARATION OF HARD COPOLIMER PEARLS BR7804015A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80995777A 1977-06-27 1977-06-27

Publications (1)

Publication Number Publication Date
BR7804015A true BR7804015A (en) 1979-02-20

Family

ID=25202592

Family Applications (1)

Application Number Title Priority Date Filing Date
BR787804015A BR7804015A (en) 1977-06-27 1978-06-26 PROCESS OF PREPARATION OF HARD COPOLIMER PEARLS

Country Status (14)

Country Link
JP (2) JPS5411984A (en)
AR (1) AR228836A1 (en)
AU (1) AU521552B2 (en)
BE (1) BE868487A (en)
BR (1) BR7804015A (en)
CA (1) CA1114987A (en)
DE (1) DE2827475A1 (en)
ES (1) ES471391A1 (en)
FR (1) FR2396027A1 (en)
GB (1) GB1602064A (en)
IN (1) IN149312B (en)
IT (1) IT1111628B (en)
NL (1) NL7806892A (en)
ZA (1) ZA783340B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR7800684A (en) * 1977-02-07 1978-10-10 Rohm & Haas PERFECTED ION EXCHANGE RESIN BILLS, PROCESS TO PREPARE HARD, GRINDED, INDIVIDUALIZED COPOLIMER ACCOUNTS, AND PROCESS TO PRODUCE AN ION EXCHANGE RESIN
US4370459A (en) * 1980-07-07 1983-01-25 Argus Chemical Corporation Polymerizing unsaturated monomers with gem-diperoxyester catalyst
DE19714827A1 (en) * 1997-04-10 1998-10-15 Bayer Ag Process for the preparation of crosslinked spherical polymers
EP0964001A1 (en) 1998-06-12 1999-12-15 Bayer Aktiengesellschaft Process for preparing microencapsulated polymers
DE19826049A1 (en) * 1998-06-12 1999-12-16 Bayer Ag Process for the preparation of crosslinked spherical polymers
JP4673662B2 (en) * 2005-04-26 2011-04-20 和 熊谷 Narrow depth compactor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974216C (en) * 1951-05-23 1960-10-20 Bayer Ag Process for the production of cation exchangers
FR1375170A (en) * 1962-08-27 1964-10-16 Sumitomo Chemical Co New copolymer of ethylene and styrene and its manufacturing process
US3474066A (en) * 1963-12-31 1969-10-21 Exxon Research Engineering Co Polymerizable compositions and process of producing same
FR1433480A (en) * 1965-02-16 1966-04-01 Wolfen Filmfab Veb Process for the preparation of spherical, weakly crosslinked polymer particles and products thus obtained
DE1301514B (en) * 1966-02-15 1969-08-21 Elektrochem Werke Muenchen Ag Process for the polymerization and copolymerization of olefinic compounds

Also Published As

Publication number Publication date
JPS6414206A (en) 1989-01-18
CA1114987A (en) 1981-12-22
IT1111628B (en) 1986-01-13
IT7868500A0 (en) 1978-06-26
FR2396027B1 (en) 1980-10-31
ES471391A1 (en) 1979-01-16
AU521552B2 (en) 1982-04-08
DE2827475A1 (en) 1979-01-11
IN149312B (en) 1981-10-24
AR228836A1 (en) 1983-04-29
NL7806892A (en) 1978-12-29
FR2396027A1 (en) 1979-01-26
JPS5411984A (en) 1979-01-29
BE868487A (en) 1978-12-27
JPS627921B2 (en) 1987-02-19
GB1602064A (en) 1981-11-04
AU3745278A (en) 1980-01-03
ZA783340B (en) 1979-07-25
DE2827475C2 (en) 1989-10-12

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