GB1435519A - Process of producing flame-proof chipboard - Google Patents

Process of producing flame-proof chipboard

Info

Publication number
GB1435519A
GB1435519A GB5267772A GB5267772A GB1435519A GB 1435519 A GB1435519 A GB 1435519A GB 5267772 A GB5267772 A GB 5267772A GB 5267772 A GB5267772 A GB 5267772A GB 1435519 A GB1435519 A GB 1435519A
Authority
GB
United Kingdom
Prior art keywords
chipboard
boric acid
resin
weight
sodium borate
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
GB5267772A
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.)
Borax Europe Ltd
Original Assignee
Borax Consolidated Ltd
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 Borax Consolidated Ltd filed Critical Borax Consolidated Ltd
Priority to GB5267772A priority Critical patent/GB1435519A/en
Publication of GB1435519A publication Critical patent/GB1435519A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N9/00—Arrangements for fireproofing
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/55—Boron-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08L61/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08L61/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse

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)
  • Wood Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Materials Engineering (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

1435519 Flame-proof chipboard BORAX CONSOLIDATED Ltd 5 Nov 1973 [15 Nov 1972] 52677/72 Heading C3N A process for producing flame resistant chipboard consists of uniformly distributing a flame retardant material, which is a boron-containing compound, on the surface of wood chips having a moisture content of 0-10% by weight, e.g. 0-7%, then adding a resin binding agent to the mixture and then pressing and curing the resultant mixture to form the chipboard. The flame retardant may be boric acid, a sodium borate or a mixture of a sodium borate and boric acid. The sodium borate may be Na 2 O.10B 2 O 3 .20H 2 O, Na 2 O.5B 2 O 3 .10H 2 O or Na 2 B 4 O 7 .5H 2 O. The particle size of the flame retardant is preferably less than 60 mesh BSS, more preferably less than 120 mesh BSS. Up to 30% by weight of boric acid can be readily incorporated and uniformly distributed over the surface of the wood chips. The resin binder may be a urea-formaldehyde, phenol-formaldehyde or melamineformaldehyde resin. The resin may contain in addition up to 5% by weight boric acid. In the specific examples the final pressing is carried out at 140‹ C. at a pressure of 350 p.s.i.
GB5267772A 1972-11-15 1972-11-15 Process of producing flame-proof chipboard Expired GB1435519A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5267772A GB1435519A (en) 1972-11-15 1972-11-15 Process of producing flame-proof chipboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5267772A GB1435519A (en) 1972-11-15 1972-11-15 Process of producing flame-proof chipboard

Publications (1)

Publication Number Publication Date
GB1435519A true GB1435519A (en) 1976-05-12

Family

ID=10464848

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5267772A Expired GB1435519A (en) 1972-11-15 1972-11-15 Process of producing flame-proof chipboard

Country Status (1)

Country Link
GB (1) GB1435519A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053309A1 (en) * 1980-11-28 1982-06-09 Chemische Fabrik Kalk GmbH Process for making flame resistant chipboards or moulded articles from wood
GB2152063A (en) * 1983-12-24 1985-07-31 Kunnemeyer Hornitex Method of manufacturing fireproofed chipboards and shaped-members
US5569542A (en) * 1993-07-29 1996-10-29 Aci Australia Limited Composite board
US6030562A (en) * 1995-08-25 2000-02-29 Masonite Corporation Method of making cellulosic composite articles
CN114907087A (en) * 2022-05-31 2022-08-16 安徽工业大学 Solid waste synergistic flame-retardant cement shaving board and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053309A1 (en) * 1980-11-28 1982-06-09 Chemische Fabrik Kalk GmbH Process for making flame resistant chipboards or moulded articles from wood
GB2152063A (en) * 1983-12-24 1985-07-31 Kunnemeyer Hornitex Method of manufacturing fireproofed chipboards and shaped-members
US5569542A (en) * 1993-07-29 1996-10-29 Aci Australia Limited Composite board
US6030562A (en) * 1995-08-25 2000-02-29 Masonite Corporation Method of making cellulosic composite articles
CN114907087A (en) * 2022-05-31 2022-08-16 安徽工业大学 Solid waste synergistic flame-retardant cement shaving board and preparation method thereof

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee