GB1271650A - Lightweight aggregate - Google Patents

Lightweight aggregate

Info

Publication number
GB1271650A
GB1271650A GB4026568A GB4026568A GB1271650A GB 1271650 A GB1271650 A GB 1271650A GB 4026568 A GB4026568 A GB 4026568A GB 4026568 A GB4026568 A GB 4026568A GB 1271650 A GB1271650 A GB 1271650A
Authority
GB
United Kingdom
Prior art keywords
weight
parts
rod
aggregate
cementitious
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
GB4026568A
Inventor
Thomas Albert Pilgrim
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.)
BPB Ltd
Original Assignee
BPB Industries PLC
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 BPB Industries PLC filed Critical BPB Industries PLC
Priority to GB4026568A priority Critical patent/GB1271650A/en
Priority to NL6912787A priority patent/NL6912787A/xx
Priority to BE737787D priority patent/BE737787A/xx
Priority to LU59330D priority patent/LU59330A1/xx
Priority to FR6928923A priority patent/FR2016218A1/fr
Priority to DE19691942863 priority patent/DE1942863A1/en
Publication of GB1271650A publication Critical patent/GB1271650A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
    • 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
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C04B16/08—Macromolecular compounds porous, e.g. expanded polystyrene beads or microballoons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08J2361/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08J2361/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

1,271,650. Producing foamed resin aggregates; laminates. BPB INDUSTRIES Ltd. 15 Aug., 1969 [22 Aug., 1968], No. 40265/68. Headings B5A and B5N. [Also in Division C1] A coarse light-weight aggregate for cementitious compositions, e.g. concrete, is produced by extruding a foamed urea-formaldehyde resin composition in rod form on to a moving surface, chopping the rod into pieces, and drying the extrudate, the resin composition being allowed to cure after extrusion. Preferably, the extrudate is deposited on to a conveyer from one or more extrusion heads. These heads may oscillate over the width of the conveyer, the zig-zag rods so formed being cut by a plurality of knives and the foamed pieces falling from the end of the conveyer into a hot air fluid bed drier. Cementitious materials mentioned are Portland and rapid hardening cement, hemihydrate or anhydrous calcium sulphate plaster and the cementitious composition may include dense aggregates such as sand or fly ash and reinforcing additives such as polyvinyl acetate, polyvinyl alcohol, polyacrylates and copolymer resins or resins based on synthetic carboxylic acids of petroleum origin. In examples, (i) a urea-formaldehyde foam containing at least 10<SP>6</SP> cells per c.c. and hydrochloric acid as hardener is extruded as a zig-zag rod and is cut before curing is complete, (ii) a rod of similar composition remains on the belt until fully cured, is stored for 24 hours to allow evaporation of water and is then cut, the product so formed having a continuous skin, (iii) the rod is dried and thereby simultaneously cured on the belt. A particular cementitious composition comprises 500 parts by weight of cement, 50 parts by weight of aggregate and 0.5 part by weight of cellulose ether. For the production of a light-weight building board or panel, a composition comprising 500 parts by weight of a hemihydrate plaster, 50 parts by weight of aggregate and 50 parts by weight of an emulsion of a copolymer of vinyl acetate and a vinyl ester based on synthetic carboxylic acids of petroleum origin is prepared and then placed between sheets of lining paper. Generally, building boards may be produced having a core of the aggregate and cementitious material between paper or other facing sheets.
GB4026568A 1968-08-22 1968-08-22 Lightweight aggregate Expired GB1271650A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB4026568A GB1271650A (en) 1968-08-22 1968-08-22 Lightweight aggregate
NL6912787A NL6912787A (en) 1968-08-22 1969-08-21
BE737787D BE737787A (en) 1968-08-22 1969-08-21
LU59330D LU59330A1 (en) 1968-08-22 1969-08-21
FR6928923A FR2016218A1 (en) 1968-08-22 1969-08-22
DE19691942863 DE1942863A1 (en) 1968-08-22 1969-08-22 Foamed granules for lightweight building materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4026568A GB1271650A (en) 1968-08-22 1968-08-22 Lightweight aggregate

Publications (1)

Publication Number Publication Date
GB1271650A true GB1271650A (en) 1972-04-19

Family

ID=10414036

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4026568A Expired GB1271650A (en) 1968-08-22 1968-08-22 Lightweight aggregate

Country Status (6)

Country Link
BE (1) BE737787A (en)
DE (1) DE1942863A1 (en)
FR (1) FR2016218A1 (en)
GB (1) GB1271650A (en)
LU (1) LU59330A1 (en)
NL (1) NL6912787A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103193417A (en) * 2013-04-24 2013-07-10 长安大学 Rapid cold-patch material for urea formaldehyde-based bituminous pavement and preparation method thereof
CN106746887A (en) * 2016-12-28 2017-05-31 安徽铁创新材料科技有限公司 A kind of new template self-compacting concrete viscosity modifying materials of CRTS III

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103193417A (en) * 2013-04-24 2013-07-10 长安大学 Rapid cold-patch material for urea formaldehyde-based bituminous pavement and preparation method thereof
CN106746887A (en) * 2016-12-28 2017-05-31 安徽铁创新材料科技有限公司 A kind of new template self-compacting concrete viscosity modifying materials of CRTS III

Also Published As

Publication number Publication date
NL6912787A (en) 1970-02-24
DE1942863A1 (en) 1970-02-26
BE737787A (en) 1970-02-02
FR2016218A1 (en) 1970-05-08
LU59330A1 (en) 1970-01-06

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