FR1399214A - Process for preparing finely divided fibrous polyoxy-methylene - Google Patents

Process for preparing finely divided fibrous polyoxy-methylene

Info

Publication number
FR1399214A
FR1399214A FR978891A FR978891A FR1399214A FR 1399214 A FR1399214 A FR 1399214A FR 978891 A FR978891 A FR 978891A FR 978891 A FR978891 A FR 978891A FR 1399214 A FR1399214 A FR 1399214A
Authority
FR
France
Prior art keywords
polyoxy
methylene
finely divided
preparing finely
divided fibrous
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.)
Expired
Application number
FR978891A
Other languages
French (fr)
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.)
WR Grace and Co
Original Assignee
WR Grace and 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
Priority claimed from US290251A external-priority patent/US3202597A/en
Application filed by WR Grace and Co filed Critical WR Grace and Co
Priority to FR978891A priority Critical patent/FR1399214A/en
Application granted granted Critical
Publication of FR1399214A publication Critical patent/FR1399214A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/02—Polymerisation initiated by wave energy or by particle radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/10—Polymerisation of cyclic oligomers of formaldehyde
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/12—Polymerisation of acetaldehyde or cyclic oligomers thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/14—Polymerisation of single aldehydes not provided for in groups C08G2/08 - C08G2/12
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/16—Polymerisation of single ketones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR978891A 1963-06-24 1964-06-19 Process for preparing finely divided fibrous polyoxy-methylene Expired FR1399214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR978891A FR1399214A (en) 1963-06-24 1964-06-19 Process for preparing finely divided fibrous polyoxy-methylene

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US290251A US3202597A (en) 1963-06-24 1963-06-24 Irradiation polymerization of compressed particulate trioxane
FR978891A FR1399214A (en) 1963-06-24 1964-06-19 Process for preparing finely divided fibrous polyoxy-methylene

Publications (1)

Publication Number Publication Date
FR1399214A true FR1399214A (en) 1965-05-14

Family

ID=26208430

Family Applications (1)

Application Number Title Priority Date Filing Date
FR978891A Expired FR1399214A (en) 1963-06-24 1964-06-19 Process for preparing finely divided fibrous polyoxy-methylene

Country Status (1)

Country Link
FR (1) FR1399214A (en)

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