CH511977A - High porosity, wet resistant paper and process for obtaining it - Google Patents

High porosity, wet resistant paper and process for obtaining it

Info

Publication number
CH511977A
CH511977A CH269369A CH269369A CH511977A CH 511977 A CH511977 A CH 511977A CH 269369 A CH269369 A CH 269369A CH 269369 A CH269369 A CH 269369A CH 511977 A CH511977 A CH 511977A
Authority
CH
Switzerland
Prior art keywords
obtaining
high porosity
resistant paper
wet resistant
wet
Prior art date
Application number
CH269369A
Other languages
Italian (it)
Inventor
Ruffini Guglielmo
Original Assignee
Vita Mayer & C Gia
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 Vita Mayer & C Gia filed Critical Vita Mayer & C Gia
Publication of CH511977A publication Critical patent/CH511977A/en

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
    • D21H17/54—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 nitrogen
    • D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary fibres
    • 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
    • D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/14—Polyalkenes, e.g. polystyrene polyethylene
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/25—Cellulose
    • D21H17/27—Esters thereof
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Reinforced Plastic Materials (AREA)
  • Saccharide Compounds (AREA)
CH269369A 1968-12-24 1969-02-22 High porosity, wet resistant paper and process for obtaining it CH511977A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2554068 1968-12-24

Publications (1)

Publication Number Publication Date
CH511977A true CH511977A (en) 1971-08-31

Family

ID=11217013

Family Applications (1)

Application Number Title Priority Date Filing Date
CH269369A CH511977A (en) 1968-12-24 1969-02-22 High porosity, wet resistant paper and process for obtaining it

Country Status (8)

Country Link
BE (1) BE728892A (en)
CH (1) CH511977A (en)
DE (1) DE1909488C3 (en)
FI (1) FI49201B (en)
FR (1) FR2026984A1 (en)
GB (1) GB1253594A (en)
NL (1) NL6902882A (en)
NO (1) NO124169B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5223095A (en) * 1991-01-23 1993-06-29 Custom Papers Group Inc. High tear strength, high tensile strength paper

Also Published As

Publication number Publication date
NL6902882A (en) 1970-06-26
DE1909488C3 (en) 1978-11-02
DE1909488A1 (en) 1970-08-13
BE728892A (en) 1969-08-01
NO124169B (en) 1972-03-13
FR2026984A1 (en) 1970-09-25
GB1253594A (en) 1971-11-17
FI49201B (en) 1974-12-31
DE1909488B2 (en) 1978-03-09

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Legal Events

Date Code Title Description
PL Patent ceased