CA1242853A - Pressboard and process for its preparation - Google Patents

Pressboard and process for its preparation

Info

Publication number
CA1242853A
CA1242853A CA000476568A CA476568A CA1242853A CA 1242853 A CA1242853 A CA 1242853A CA 000476568 A CA000476568 A CA 000476568A CA 476568 A CA476568 A CA 476568A CA 1242853 A CA1242853 A CA 1242853A
Authority
CA
Canada
Prior art keywords
pressboard
weight
floc
volume
fibrids
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
CA000476568A
Other languages
English (en)
French (fr)
Inventor
Richard L. Provost
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of CA1242853A publication Critical patent/CA1242853A/en
Expired 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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/26—Polyamides; Polyimides
    • 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
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • D21H5/1272—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of fibres which can be physically or chemically modified during or after web formation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
    • H01B3/52—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials wood; paper; press board

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Paper (AREA)
  • Organic Insulating Materials (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
CA000476568A 1984-03-14 1985-03-14 Pressboard and process for its preparation Expired CA1242853A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US58960184A 1984-03-14 1984-03-14
US589,601 1984-03-14
US69779785A 1985-02-04 1985-02-04
US697,797 1985-02-04

Publications (1)

Publication Number Publication Date
CA1242853A true CA1242853A (en) 1988-10-11

Family

ID=27080604

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000476568A Expired CA1242853A (en) 1984-03-14 1985-03-14 Pressboard and process for its preparation

Country Status (11)

Country Link
EP (1) EP0156587B1 (es)
JP (2) JPH0762319B2 (es)
KR (1) KR900008535B1 (es)
AU (1) AU578270B2 (es)
BR (1) BR8501096A (es)
CA (1) CA1242853A (es)
DE (1) DE3581099D1 (es)
DK (1) DK115685A (es)
ES (1) ES8607451A1 (es)
GR (1) GR850657B (es)
MX (1) MX167850B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62191599A (ja) * 1986-02-19 1987-08-21 静岡県 無機ペ−パ−の製造法
JP2543346B2 (ja) * 1986-07-25 1996-10-16 大福製紙株式会社 合成紙
WO1994016142A1 (en) * 1993-01-04 1994-07-21 Mishima Paper Co., Ltd. Aramid paper with high surface smoothness
US5320892A (en) * 1993-02-22 1994-06-14 E. I. Du Pont De Nemours And Company Tough layered papers with improved surface adhesion
CN1078645C (zh) 1999-01-22 2002-01-30 四川省对外经济贸易总公司 特种合成纤维纸及其生产方法
US6312561B1 (en) * 2000-01-21 2001-11-06 E. I. Du Pont De Nemours And Company Flame barrier compositions and their use
EP2347046A1 (en) * 2008-11-14 2011-07-27 E. I. du Pont de Nemours and Company Processes for making sheet structures having improved compression performance
KR20110086847A (ko) * 2008-11-14 2011-08-01 이 아이 듀폰 디 네모아 앤드 캄파니 개선된 압축 성능을 가진 시트 구조체

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756908A (en) * 1971-02-26 1973-09-04 Du Pont Synthetic paper structures of aromatic polyamides
JPS5181862A (es) * 1975-01-16 1976-07-17 Mitsubishi Rayon Co
JPS5263268A (en) * 1975-10-23 1977-05-25 Unitika Ltd Method of manufacture of formed product of aromatic polyamide
JPS5316070A (en) * 1976-07-30 1978-02-14 Teijin Ltd Sheets
JPS5465747A (en) * 1977-11-04 1979-05-26 Motoo Takayanagi High molecular composite body
JPS5549811A (en) * 1978-10-03 1980-04-10 Mitsubishi Paper Mills Ltd Laminated insulating board
JPS5596506A (en) * 1979-01-19 1980-07-22 Tokyo Shibaura Electric Co Method of fabricating coil insulator of oillfilled electric equipment
JPS57183499A (en) * 1981-05-06 1982-11-11 Mitsui Toatsu Chemicals Sheet like article
JPS59211208A (ja) * 1983-05-16 1984-11-30 Fuji Electric Corp Res & Dev Ltd 油入電器用積層絶縁物

Also Published As

Publication number Publication date
KR850006461A (ko) 1985-10-05
DK115685D0 (da) 1985-03-13
DE3581099D1 (de) 1991-02-07
ES541208A0 (es) 1986-05-16
EP0156587B1 (en) 1990-12-27
JPH0762319B2 (ja) 1995-07-05
EP0156587A1 (en) 1985-10-02
ES8607451A1 (es) 1986-05-16
BR8501096A (pt) 1985-11-05
AU3975585A (en) 1985-09-19
JPS60209100A (ja) 1985-10-21
GR850657B (es) 1985-07-11
JPH07324296A (ja) 1995-12-12
DK115685A (da) 1985-09-15
JP2733456B2 (ja) 1998-03-30
MX167850B (es) 1993-04-15
KR900008535B1 (ko) 1990-11-24
AU578270B2 (en) 1988-10-20

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