GB673651A - New polymers - Google Patents

New polymers

Info

Publication number
GB673651A
GB673651A GB335649A GB335649A GB673651A GB 673651 A GB673651 A GB 673651A GB 335649 A GB335649 A GB 335649A GB 335649 A GB335649 A GB 335649A GB 673651 A GB673651 A GB 673651A
Authority
GB
United Kingdom
Prior art keywords
vapour
fluoro
deposited
cooling
vapours
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
GB335649A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB335649A priority Critical patent/GB673651A/en
Publication of GB673651A publication Critical patent/GB673651A/en
Expired legal-status Critical Current

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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
    • C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
    • C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
    • C08G61/025—Polyxylylenes
    • 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
    • C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
    • C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
    • C08G2261/34—Monomer units or repeat units incorporating structural elements in the main chain incorporating partially-aromatic structural elements in the main chain
    • C08G2261/342—Monomer units or repeat units incorporating structural elements in the main chain incorporating partially-aromatic structural elements in the main chain containing only carbon atoms
    • C08G2261/3424—Monomer units or repeat units incorporating structural elements in the main chain incorporating partially-aromatic structural elements in the main chain containing only carbon atoms non-conjugated, e.g. paracyclophanes or xylenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Insulating Materials (AREA)

Abstract

Polymers are produced by pyrolysing the vapour of p-xylene substituted in the nucleus by at least one atom of the normally gaseous halogens at a temperature between 700 DEG and 1000 DEG C. for not more than 10 seconds and cooling the resulting vapours so that a solid polymer is deposited. Specified compounds which may be pyrolysed are 2-fluoro-, 2-chloro-and 2,5-dichloro-p-xylenes. The preferred duration of pyrolysis is from 0.1 to 1 second. The vapour pressure should not exceed atmospheric and the vapour may be diluted with an inert gas, e.g. nitrogen or carbon dioxide, to maintain a low partial vapour pressure of the compound. Cooling may be effected by contacting a cool surface, e.g. at a temperature of 100 DEG to - 80 DEG C., on which the polymer is deposited as a film. The monomeric unit appears to be the original compound with two CH2 groups instead of the two paramethyl groups. In the examples, the vapours at a pressure of 8 to 10 mm. Hg. abs., are passed through a tube heated to 800 DEG C. The polymers are insoluble in many organic solvents, are heat-stable and resistant to corrosive liquids and have good heat and electrical insulating properties. Specification 650,947 is referred to.ALSO:2 - Fluoro - p - xylylene di - iodide is prepared by reacting the vapour of 2-fluoro-p-xylene, pyrolysed at 700-1000 DEG C., with iodine vapour, and cooling the resultant vapours, when, in addition to the deposition of polymer (see Group IV (a)), white needles of the above compound having a melting point of 150-151 DEG C. are deposited.
GB335649A 1949-02-07 1949-02-07 New polymers Expired GB673651A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB335649A GB673651A (en) 1949-02-07 1949-02-07 New polymers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB335649A GB673651A (en) 1949-02-07 1949-02-07 New polymers

Publications (1)

Publication Number Publication Date
GB673651A true GB673651A (en) 1952-06-11

Family

ID=9756763

Family Applications (1)

Application Number Title Priority Date Filing Date
GB335649A Expired GB673651A (en) 1949-02-07 1949-02-07 New polymers

Country Status (1)

Country Link
GB (1) GB673651A (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744085A (en) * 1953-09-15 1956-05-01 Du Pont Process of making dispersions of polymers
US2758989A (en) * 1953-04-10 1956-08-14 Kellogg M W Co Polymerization of cyclooctatetraene
US2777005A (en) * 1953-10-14 1957-01-08 Kellogg M W Co Polymerizable cyclic compounds
US2914489A (en) * 1956-01-10 1959-11-24 Du Pont Production of poly p-xylene polymers containing halogen
US3084146A (en) * 1957-04-24 1963-04-02 Minnesota Mining & Mfg Aromatically unsaturated compounds and preparation thereof
US3117168A (en) * 1960-08-19 1964-01-07 Union Carbide Corp Alkylated di-p-xylylenes
US3213041A (en) * 1957-07-05 1965-10-19 Kellogg M W Co Process of pyrolyzing a paraxylyl halide
US3288728A (en) * 1966-02-18 1966-11-29 Union Carbide Corp Para-xylylene copolymers
US3342754A (en) * 1966-02-18 1967-09-19 Union Carbide Corp Para-xylylene polymers
US5310858A (en) * 1992-01-31 1994-05-10 Hoechst Aktiengesellschaft Process for preparing polymers of p-xylylene from p-xylylene diesters
WO2003014182A1 (en) * 2001-08-09 2003-02-20 Dielectric Systems, Inc. Stabilized polymer film and its manufacture
US6797343B2 (en) 2001-12-20 2004-09-28 Dielectric Systems, Inc. Dielectric thin films from fluorinated precursors
US6825303B2 (en) 2001-02-26 2004-11-30 Dielectric Systems, Inc. Integration of low ε thin films and Ta into Cu dual damascene
US6881447B2 (en) 2002-04-04 2005-04-19 Dielectric Systems, Inc. Chemically and electrically stabilized polymer films
US6962871B2 (en) 2004-03-31 2005-11-08 Dielectric Systems, Inc. Composite polymer dielectric film
US7026052B2 (en) 2001-02-26 2006-04-11 Dielectric Systems, Inc. Porous low k(<2.0) thin film derived from homo-transport-polymerization
US7094661B2 (en) 2004-03-31 2006-08-22 Dielectric Systems, Inc. Single and dual damascene techniques utilizing composite polymer dielectric film
US7192645B2 (en) 2001-02-26 2007-03-20 Dielectric Systems, Inc. Porous low E (<2.0) thin films by transport co-polymerization
US7309395B2 (en) 2004-03-31 2007-12-18 Dielectric Systems, Inc. System for forming composite polymer dielectric film

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758989A (en) * 1953-04-10 1956-08-14 Kellogg M W Co Polymerization of cyclooctatetraene
US2744085A (en) * 1953-09-15 1956-05-01 Du Pont Process of making dispersions of polymers
US2777005A (en) * 1953-10-14 1957-01-08 Kellogg M W Co Polymerizable cyclic compounds
US2914489A (en) * 1956-01-10 1959-11-24 Du Pont Production of poly p-xylene polymers containing halogen
US3084146A (en) * 1957-04-24 1963-04-02 Minnesota Mining & Mfg Aromatically unsaturated compounds and preparation thereof
US3213041A (en) * 1957-07-05 1965-10-19 Kellogg M W Co Process of pyrolyzing a paraxylyl halide
US3117168A (en) * 1960-08-19 1964-01-07 Union Carbide Corp Alkylated di-p-xylylenes
US3288728A (en) * 1966-02-18 1966-11-29 Union Carbide Corp Para-xylylene copolymers
US3342754A (en) * 1966-02-18 1967-09-19 Union Carbide Corp Para-xylylene polymers
US5310858A (en) * 1992-01-31 1994-05-10 Hoechst Aktiengesellschaft Process for preparing polymers of p-xylylene from p-xylylene diesters
US6825303B2 (en) 2001-02-26 2004-11-30 Dielectric Systems, Inc. Integration of low ε thin films and Ta into Cu dual damascene
US7192645B2 (en) 2001-02-26 2007-03-20 Dielectric Systems, Inc. Porous low E (<2.0) thin films by transport co-polymerization
US7026052B2 (en) 2001-02-26 2006-04-11 Dielectric Systems, Inc. Porous low k(<2.0) thin film derived from homo-transport-polymerization
WO2003014182A1 (en) * 2001-08-09 2003-02-20 Dielectric Systems, Inc. Stabilized polymer film and its manufacture
US6703462B2 (en) 2001-08-09 2004-03-09 Dielectric Systems Inc. Stabilized polymer film and its manufacture
US7009016B2 (en) 2001-12-20 2006-03-07 Dielectric Systems, Inc. Dielectric thin films from fluorinated precursors
US6797343B2 (en) 2001-12-20 2004-09-28 Dielectric Systems, Inc. Dielectric thin films from fluorinated precursors
US6881447B2 (en) 2002-04-04 2005-04-19 Dielectric Systems, Inc. Chemically and electrically stabilized polymer films
US6962871B2 (en) 2004-03-31 2005-11-08 Dielectric Systems, Inc. Composite polymer dielectric film
US7094661B2 (en) 2004-03-31 2006-08-22 Dielectric Systems, Inc. Single and dual damascene techniques utilizing composite polymer dielectric film
US7309395B2 (en) 2004-03-31 2007-12-18 Dielectric Systems, Inc. System for forming composite polymer dielectric film

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