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WO1998037032B1 - Method of treating a lignocellulosic material or an expanded mineral to form a finished product - Google Patents

Method of treating a lignocellulosic material or an expanded mineral to form a finished product

Info

Publication number
WO1998037032B1
WO1998037032B1 PCT/GB1998/000517 GB9800517W WO9837032B1 WO 1998037032 B1 WO1998037032 B1 WO 1998037032B1 GB 9800517 W GB9800517 W GB 9800517W WO 9837032 B1 WO9837032 B1 WO 9837032B1
Authority
WO
WIPO (PCT)
Prior art keywords
finely divided
hydraulic binder
feedstock
thermosetting resin
starting material
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.)
Ceased
Application number
PCT/GB1998/000517
Other languages
French (fr)
Other versions
WO1998037032A1 (en
Filing date
Publication date
Application filed filed Critical
Priority to DE69808886T priority Critical patent/DE69808886T2/en
Priority to AT98905519T priority patent/ATE226565T1/en
Priority to EP98905519A priority patent/EP0961761B1/en
Priority to US09/367,566 priority patent/US6248812B1/en
Priority to JP53638398A priority patent/JP2001512410A/en
Priority to AU61085/98A priority patent/AU721490B2/en
Priority to CA 2281618 priority patent/CA2281618A1/en
Publication of WO1998037032A1 publication Critical patent/WO1998037032A1/en
Publication of WO1998037032B1 publication Critical patent/WO1998037032B1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Abstract

A method of preparing a starting material for the subsequent manufacture of a finished product such as a board, from a feedstock selected from the group consisting of a lignocellulosic material, exfoliated vermiculite, expanded perlite or a mixture of two or three thereof, includes the steps of providing the feedstock in the form of substantially dry finely divided lignocellulosic fibres or substantially dry finely divided exfoliated vermiculite or expanded perlite particles or a mixture thereof; mixing the feedstock with a suitable amount of a thermosetting resin in finely divided dry powder form and a suitable amount of the hydraulic binder in finely divided dry powder form; and optionally subjecting this starting material to suitable conditions of temperature and pressure to cause the thermosetting resin to set to form a cohesive product thereafter, there may be provided to the cohesive product, water in an amount sufficient for the hydration of the hydraulic binder so that the hydraulic binder sets to form the finished product.

Claims

AMENDED CLAIMS[received by the International Bureau on 17 August 1998 (17.08.98); original claims 1 and 2 amended; remaining claims unchanged (1 page)]
1. A method of preparing a starting material containing a hydraulic binder, for the subsequent manufacture, by hydration of the hydraulic binder, of a finished product, from a feedstock selected from the group consisting of a lignocellulosic material, exfoliated vermiculite, expanded perlite, and a mixture of two or three thereof, which method includes the steps of:
(i) providing the feedstock in the form of substantially dry finely divided lignocellulosic fibres, or substantially dry finely divided exfoliated vermiculite particles, or substantially dry finely divided expanded perlite particles, or a mixture of two or three thereof; and
(2) mixing the feedstock with: a) a suitable amount of a thermosetting resin in finely divided dry powder form, and b) a suitable amount of hydraulic binder in finely divided dry powder form; to give the dry starting material.
2. A method according to claim 1 which includes the step of:
(3) subjecting the dry starting material of step (2) to suitable conditions of temperature and pressure to cause the thermosetting resin to set to form a cohesive product.
3. A method according to claim 1 or claim 2 wherein the mass ratio of the hydraulic binder to the feedstock is from 1 :2 to 20: 1.
4. A method according to any one of claims 1 to 3 wherein the mass ratio of the thermosetting resin to the hydraulic binder is from 2:100
PCT/GB1998/000517 1997-02-18 1998-02-18 Method of treating a lignocellulosic material or an expanded mineral to form a finished product Ceased WO1998037032A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE69808886T DE69808886T2 (en) 1997-02-18 1998-02-18 TREATMENT METHOD OF A LIGNOCELLULOSIC MATERIAL OR AN EXPANDED MINERAL FOR SHAPING A FINISHED PRODUCT
AT98905519T ATE226565T1 (en) 1997-02-18 1998-02-18 TREATMENT METHOD OF A LIGNOCELLULOSIC MATERIAL OR AN EXPANDED MINERAL FOR FORMING A FINISHED PRODUCT
EP98905519A EP0961761B1 (en) 1997-02-18 1998-02-18 Method of treating a lignocellulosic material or an expanded mineral to form a finished product
US09/367,566 US6248812B1 (en) 1997-02-18 1998-02-18 Method of treating lignocellulosic material or an expanded mineral to form a finished product
JP53638398A JP2001512410A (en) 1997-02-18 1998-02-18 Process for treating lignocellulosic materials or porous minerals to make finished products
AU61085/98A AU721490B2 (en) 1997-02-18 1998-02-18 Method of treating a lignocellulosic material or an expanded mineral to form a finished product
CA 2281618 CA2281618A1 (en) 1997-02-18 1998-02-18 Method of treating a lignocellulosic material or an expanded mineral to form a finished product

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ZA97/1359 1997-02-18
ZA971359 1997-02-18
ZA97/4873 1997-06-03
ZA974873 1997-06-03

Publications (2)

Publication Number Publication Date
WO1998037032A1 WO1998037032A1 (en) 1998-08-27
WO1998037032B1 true WO1998037032B1 (en) 1998-10-01

Family

ID=27143721

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1998/000517 Ceased WO1998037032A1 (en) 1997-02-18 1998-02-18 Method of treating a lignocellulosic material or an expanded mineral to form a finished product

Country Status (10)

Country Link
US (1) US6248812B1 (en)
EP (1) EP0961761B1 (en)
JP (1) JP2001512410A (en)
KR (1) KR20000071142A (en)
CN (1) CN1252780A (en)
AT (1) ATE226565T1 (en)
AU (1) AU721490B2 (en)
CA (1) CA2281618A1 (en)
DE (1) DE69808886T2 (en)
WO (1) WO1998037032A1 (en)

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