DK546782A - FIBER Reinforced Object - Google Patents

FIBER Reinforced Object Download PDF

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Publication number
DK546782A
DK546782A DK546782A DK546782A DK546782A DK 546782 A DK546782 A DK 546782A DK 546782 A DK546782 A DK 546782A DK 546782 A DK546782 A DK 546782A DK 546782 A DK546782 A DK 546782A
Authority
DK
Denmark
Prior art keywords
fibres
defibration
gpa
bundles
degrees
Prior art date
Application number
DK546782A
Other languages
Danish (da)
Other versions
DK149881B (en
DK149881C (en
Inventor
Niels Bach
Thorkild Bentsen
Original Assignee
Eternit Fab Dansk As
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 Eternit Fab Dansk As filed Critical Eternit Fab Dansk As
Priority to DK546782A priority Critical patent/DK149881C/en
Publication of DK546782A publication Critical patent/DK546782A/en
Publication of DK149881B publication Critical patent/DK149881B/en
Application granted granted Critical
Publication of DK149881C publication Critical patent/DK149881C/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/18—Waste materials; Refuse organic
    • C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

Bundles of natural cellulose fibres, preferably from bast or leaves, especially flax and flax tow, with an E modulus greater than 50 GPa are first chopped up and then subjected either to mechanical pulping and defibration, or to semi-chemical pulping and defibration by wet grinding. This gives fibres or bundles with an E modulus greater than 50 GPa and a maximum length of 25 mm, preferably 15 mm, and especially 10 mm. This material is preferably ground to a fineness of 25-70 degrees SR and especially 35-55 degrees SR. The product is highly suitable for use as a fibrous reinforcing material in shaped objects with a matrix consisting of a hardened inorganic binder containing at least 0.5 wt-% and preferably at least 3 wt-% of the said fibres.
DK546782A 1982-12-09 1982-12-09 PROCEDURE FOR MANUFACTURING CELLULOSE FIBERS FOR USE IN THE MANUFACTURE OF FIBER-STRENGTHED PRODUCTS DK149881C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK546782A DK149881C (en) 1982-12-09 1982-12-09 PROCEDURE FOR MANUFACTURING CELLULOSE FIBERS FOR USE IN THE MANUFACTURE OF FIBER-STRENGTHED PRODUCTS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK546782A DK149881C (en) 1982-12-09 1982-12-09 PROCEDURE FOR MANUFACTURING CELLULOSE FIBERS FOR USE IN THE MANUFACTURE OF FIBER-STRENGTHED PRODUCTS
DK546782 1982-12-09

Publications (3)

Publication Number Publication Date
DK546782A true DK546782A (en) 1984-06-10
DK149881B DK149881B (en) 1986-10-20
DK149881C DK149881C (en) 1987-03-09

Family

ID=8142689

Family Applications (1)

Application Number Title Priority Date Filing Date
DK546782A DK149881C (en) 1982-12-09 1982-12-09 PROCEDURE FOR MANUFACTURING CELLULOSE FIBERS FOR USE IN THE MANUFACTURE OF FIBER-STRENGTHED PRODUCTS

Country Status (1)

Country Link
DK (1) DK149881C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA032994B1 (en) * 2017-06-01 2019-08-30 Александр Александрович Бакатович Raw stock mixture for production of heat-insulation material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA032994B1 (en) * 2017-06-01 2019-08-30 Александр Александрович Бакатович Raw stock mixture for production of heat-insulation material

Also Published As

Publication number Publication date
DK149881B (en) 1986-10-20
DK149881C (en) 1987-03-09

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