GB1006753A - Improvements in or relating to coating - Google Patents

Improvements in or relating to coating

Info

Publication number
GB1006753A
GB1006753A GB717663A GB717663A GB1006753A GB 1006753 A GB1006753 A GB 1006753A GB 717663 A GB717663 A GB 717663A GB 717663 A GB717663 A GB 717663A GB 1006753 A GB1006753 A GB 1006753A
Authority
GB
United Kingdom
Prior art keywords
xylylene
poly
lithium
particles
formula
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
GB717663A
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of GB1006753A publication Critical patent/GB1006753A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/16—Chemical modification with polymerisable 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00—Characterised by the use of unspecified rubbers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

<PICT:1006753/C3/1> Particulate material is encapsulated by pyrolyzing a cyclic di-p-xylylene of formula <FORM:1006753/C3/1> where R is a nuclear substituent group (e.g. alkyl, aryl, alkenyl, amino, cyano, carboxyl, alkoxy, hydroxy alkyl, carbalkoxy, hydroxyl, nitro or a halogen atom) and x is a number from 0 to 3, at 450 DEG C. to 700 DEG C. to form divalent radicals of formula <FORM:1006753/C3/2> which are contacted with the surfaces of particles in constant motion and at a temperature below 200 DEG C., so that the divalent radicals condense on the surface of the particles and polymerize to coat the particles with a continuous polymer film of poly (p-xylylene) having units of formula <FORM:1006753/C3/3> The di-p-xylylene may be vaporized in a zone b of a tube 11 (Fig. 1) at 150 DEG to 200 DEG C, pyrolyzed to a zone a at 450 DEG to 700 DEG C., and the divalen tradicals passed into a coating chamber 23 rotated by a motor 25 in which the particles are tumbled by baffles 21. A vacuum pump is connected to an aperture 27 in a wall 19 surrounding chamber 23. In examples pellets of lithium aluminium hydride, lithium perchlorate, lithium fluoride, metallic lithium, sodium hydroxide, lithium tetraborate and lithium hydride, molecular sieves loaded with ethylene, and gravel, are encapsulated, and the polymers used are poly-(chloro - p - xylylene), poly - (di - chloro - p - xylylene), poly - (bromop - xylylene), polycyano - p - xylylene), poly - (ethyl - p - xylylene) and poly (p-xylylene).
GB717663A 1962-03-01 1963-02-22 Improvements in or relating to coating Expired GB1006753A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17662562A 1962-03-01 1962-03-01

Publications (1)

Publication Number Publication Date
GB1006753A true GB1006753A (en) 1965-10-06

Family

ID=22645147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB717663A Expired GB1006753A (en) 1962-03-01 1963-02-22 Improvements in or relating to coating

Country Status (3)

Country Link
DE (1) DE1216255B (en)
GB (1) GB1006753A (en)
NL (1) NL289602A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2159732A (en) * 1984-06-08 1985-12-11 Sundstrand Corp Power source encapsulated lithium pellets and method of making such pellets
US4714051A (en) * 1984-06-08 1987-12-22 Sundstrand Corporation Power source utilizing encapsulated lithium pellets and method of making such pellets
US4755398A (en) * 1984-06-08 1988-07-05 Sundstrand Corporation Power source utilizing encapsulated lithium pellets and method of making such pellets
EP0312025A1 (en) * 1987-10-13 1989-04-19 SYREMONT S.p.A. Process of consolidating low-melting materials
DE19638601C1 (en) * 1996-09-20 1998-02-26 Karlsruhe Forschzent Production of particles with metal compound core and polymeric shell
WO2004016672A2 (en) * 2002-08-19 2004-02-26 Rensselaer Polytechnic Institute Surface modification of cvd polymer films
US7455106B2 (en) 2005-09-07 2008-11-25 Schlumberger Technology Corporation Polymer protective coated polymeric components for oilfield applications
EP2699248B1 (en) 2011-04-20 2017-02-08 Laboratoire Français du Fractionnement et des Biotechnologies Method for preparing a depleted plasma material consisting of one or more thrombogenic factors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3161902D1 (en) * 1980-03-28 1984-02-23 Contraves Ag Liquid crystal display and method of making the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2785090A (en) * 1953-09-21 1957-03-12 Du Pont Fabric coated with poly-p-xylene

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2159732A (en) * 1984-06-08 1985-12-11 Sundstrand Corp Power source encapsulated lithium pellets and method of making such pellets
US4634479A (en) * 1984-06-08 1987-01-06 Sundstrand Corporation Power source utilizing encapsulated lithium pellets and method of making such pellets
US4714051A (en) * 1984-06-08 1987-12-22 Sundstrand Corporation Power source utilizing encapsulated lithium pellets and method of making such pellets
US4755398A (en) * 1984-06-08 1988-07-05 Sundstrand Corporation Power source utilizing encapsulated lithium pellets and method of making such pellets
EP0312025A1 (en) * 1987-10-13 1989-04-19 SYREMONT S.p.A. Process of consolidating low-melting materials
DE19638601C1 (en) * 1996-09-20 1998-02-26 Karlsruhe Forschzent Production of particles with metal compound core and polymeric shell
WO2004016672A2 (en) * 2002-08-19 2004-02-26 Rensselaer Polytechnic Institute Surface modification of cvd polymer films
WO2004016672A3 (en) * 2002-08-19 2004-05-13 Rensselaer Polytech Inst Surface modification of cvd polymer films
US7455106B2 (en) 2005-09-07 2008-11-25 Schlumberger Technology Corporation Polymer protective coated polymeric components for oilfield applications
EP2699248B1 (en) 2011-04-20 2017-02-08 Laboratoire Français du Fractionnement et des Biotechnologies Method for preparing a depleted plasma material consisting of one or more thrombogenic factors

Also Published As

Publication number Publication date
DE1216255B (en) 1966-05-12
NL289602A (en)

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