EP0343971A3 - Process for making uncured felt - Google Patents

Process for making uncured felt Download PDF

Info

Publication number
EP0343971A3
EP0343971A3 EP19890305276 EP89305276A EP0343971A3 EP 0343971 A3 EP0343971 A3 EP 0343971A3 EP 19890305276 EP19890305276 EP 19890305276 EP 89305276 A EP89305276 A EP 89305276A EP 0343971 A3 EP0343971 A3 EP 0343971A3
Authority
EP
European Patent Office
Prior art keywords
felt
slurry
drying
polymeric solids
making uncured
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.)
Withdrawn
Application number
EP19890305276
Other languages
German (de)
French (fr)
Other versions
EP0343971A2 (en
Inventor
Dennis E. Furlani
Kevin D. Packard
Douglas J. Wheeler
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.)
Unifrax 1 LLC
Original Assignee
Carborundum Co
Stemcor 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 Carborundum Co, Stemcor Corp filed Critical Carborundum Co
Publication of EP0343971A2 publication Critical patent/EP0343971A2/en
Publication of EP0343971A3 publication Critical patent/EP0343971A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/47—Condensation polymers of aldehydes or ketones
    • D21H17/48—Condensation polymers of aldehydes or ketones with phenols
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/47—Condensation polymers of aldehydes or ketones
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/47—Condensation polymers of aldehydes or ketones
    • D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
    • D21H17/51—Triazines, e.g. melamine
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/52—Epoxy resins
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/53—Polyethers; Polyesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/58—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers

Abstract

A process is disclosed for making uncured felt, the process comprising the steps of (A) mixing refrac­ tory fibers and curable particulate polymeric solids of at least one thermosetting polymeric material other than a two-stage phenolic in water to form a slurry; (B) dewatering said slurry and forming felt comprising said solid fibers and said polymeric solids; and (C) drying said felt at a temperature and for a time sufficient to provide desired water removal but not high enough or long enough to cure said polymeric solids, the water content of said felt subsequent to said drying being up to about 25% by weight.
EP19890305276 1988-05-27 1989-05-24 Process for making uncured felt Withdrawn EP0343971A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19961888A 1988-05-27 1988-05-27
US199618 1988-05-27

Publications (2)

Publication Number Publication Date
EP0343971A2 EP0343971A2 (en) 1989-11-29
EP0343971A3 true EP0343971A3 (en) 1991-01-30

Family

ID=22738316

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890305276 Withdrawn EP0343971A3 (en) 1988-05-27 1989-05-24 Process for making uncured felt

Country Status (1)

Country Link
EP (1) EP0343971A3 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55130764A (en) * 1979-03-30 1980-10-09 Sumitomo Bakelite Co Preparation of laminate suitable for electricccommunication apparatus
EP0196476A2 (en) * 1985-03-04 1986-10-08 The Dow Chemical Company Method for preparing a random-fiber reinforced thermoset polymer composite

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55130764A (en) * 1979-03-30 1980-10-09 Sumitomo Bakelite Co Preparation of laminate suitable for electricccommunication apparatus
EP0196476A2 (en) * 1985-03-04 1986-10-08 The Dow Chemical Company Method for preparing a random-fiber reinforced thermoset polymer composite

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI, no. 80-83563C Derwent Publications Ltd, London, GB, & JP-A-55130764 ( SUMITOMO BAKELITE KK ) *
TAPPI JOURNAL. vol. 70, no. 12, December 1987, ATLANTA US pages 67 - 74; C.F.WHITE ET AL.: "Ceramic and mineral-wool fibers in wet-web forming processes." *

Also Published As

Publication number Publication date
EP0343971A2 (en) 1989-11-29

Similar Documents

Publication Publication Date Title
IE792246L (en) Composite materials
DK206883D0 (en) PROCEDURE FOR THE MANUFACTURE OF AUTOCLAVATED FIBER Reinforced Molds
DE59104342D1 (en) BINDER MIXTURE.
DE3580900D1 (en) AQUEOUS PULP METHOD FOR PRODUCING REINFORCED COMPOSITE POLYMER MATERIALS.
AU1925088A (en) Hardening granulated material at elevated temperatures
DK164691C (en) PROCEDURE FOR MANUFACTURING TREE FIBER PLATE
EP0343971A3 (en) Process for making uncured felt
DE3263764D1 (en) Process for the production of a porous mass containing a hydraulic binder
CA2235531A1 (en) Process for preparing cellulosic composites
GB1514239A (en) Fibre-reinforced composites
DK253687A (en) PROCEDURE FOR MANUFACTURING EASY, BINDING-FREE AND ENVIRONMENTALLY FRIENDLY MATERIALS OF LIGNOCELLULOUS CONTENT
EP0259042A3 (en) Process for bonding lignocellulosic material
SE8303157D0 (en) PROCEDURE FOR PREPARING THE OUTSIDE OF A SKI
EP0181153A3 (en) Process for the utilisation of solid paper mill waste
Ogiwara et al. Method for producing friction materials
JPS5784839A (en) Manufacture of through-hole-bored fibrous sheet core material
AU6568894A (en) Method of manufacturing fibreboard
AU5481486A (en) Method for the manufacture of shaped elements
SE8003096L (en) SET TO MAKE A FIBER-ARMED CEMENT PRODUCT
JPS55114400A (en) Dehydration and drying of sludge
SE8104756L (en) PROCEDURE FOR MANUFACTURING FIBER PLATES OF LIGNOCELLULOSALLY MATERIAL
SE8104755L (en) PROCEDURE FOR MANUFACTURING FIBER PLATES OF LIGNOCELLULOSALLY MATERIAL
IE863091L (en) Organic fertiliser
JPS555880A (en) Method of manufacturing interior material
DK0536474T3 (en) Multi-component system of natural polymers and PAN structural molds with asbestos-specific properties for use in hydraulic binders

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THE CARBORUNDUM COMPANY

RHK1 Main classification (correction)

Ipc: D21H 23/04

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19910731