GB2186005A - Reinforcement of fired clay objects using plastics - Google Patents

Reinforcement of fired clay objects using plastics Download PDF

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Publication number
GB2186005A
GB2186005A GB08602436A GB8602436A GB2186005A GB 2186005 A GB2186005 A GB 2186005A GB 08602436 A GB08602436 A GB 08602436A GB 8602436 A GB8602436 A GB 8602436A GB 2186005 A GB2186005 A GB 2186005A
Authority
GB
United Kingdom
Prior art keywords
fired clay
objects
clay
plastics
fired
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Withdrawn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
GB08602436A
Other versions
GB8602436D0 (en
Inventor
Clive Norman Mather
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB08602436A priority Critical patent/GB2186005A/en
Publication of GB8602436D0 publication Critical patent/GB8602436D0/en
Publication of GB2186005A publication Critical patent/GB2186005A/en
Withdrawn legal-status Critical Current

Links

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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • C04B33/00—Clay-wares
    • C04B33/36—Reinforced clay-wares
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/48—Macromolecular compounds
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/82—Coating or impregnation with organic materials
    • C04B41/83—Macromolecular compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

Fired clay objects may be given increased tensile strength by means of plastics deposited in the cracks and voids of the fired clay. The plastic is introduced into the fired clay in molten form; as a solution; or as reactant fluids which subsequently form plastic. For example, the clay object is exposed to a gaseous monomer such as ethylene, propylene or formaldehyde under suitable conditions of temperature and pressure.

Description

SPECIFICATION Reinforcement of fired clay objects using plastics This invention is concerned with the production of a new material for building and construction, engineering, agriculture, and furniture manufacture.
Fired clay is an ancient material, easily and cheaply manufactured. It is a useful material for purposes wherestrength is required only in compression: the material fails relatively easily when subjected to tension orto bending forces. The lack of resistance to tension offired clay is due principally to microscopic cracks and voids in the substance, which grow rapidly when tension is applied. If the microscopic cracks and voids present in fired clay were filled with a substance of high tensile strength, such as nylon or other plastics, the result would be a substance possessing both high compressive, and high tensile, strengths.The new material would, therefore, have a wide variety of potential applications, for example railway sleepers; lintels; joists; guttering and drain pipes; poles; bridge components; fencing; weirs.
According to the present invention it is suggested that plastics could be combined intimately with fired clay in order to improve the tensile strength of the fired clay.
Plastics can be introduced into the interstices of fired clay by the following means: 1. The fired clay object or objects are exposed to plastics-forming gaseous monomers, such as ethylene (ethene, C2H4); propylene (propene C3H6); orformaldehyde (methanal, CH2O), under conditions of pressure and temperature, and with catalytic substances as required, such that plastic is formed.
2. The fired clay object or objects are treated with a solution of a plastic, or a solution of plastics: after absorbtion of the required quantity of solution, the fired clay object or objects are heated, or subjected to partial vacuum, or subjected to a current of air or other gas, or subjected to one or more ofthese conditions, such that the solvent evaporates and leaves plastic in the fired clay.
The solution could be injected into fired clay objectsthrough previously-made holesinthefired clay objects; or the solution cou Id be absorbed into the fi red clay by means of simple capillary action,the fired clay objects being immersed in a tank ofthe solution; orthefired clay objects could be treated with the solution under increased pressure.
3. The fired clay object or objects are treated with reactants, or solutions of reactants, that produce plastics by chemical reaction: the reaction leading to the formation of plastic taking place sufficiently slowly, so that the fired clay objects can be removed from the reactants or reactant solutions. The reactants or reactant solutions wou Id be introduced into the fired clay objects by methods described in (2) above.
4. The fired clay object or objects are treated with molten plastic, the methods used for introducing the molten plastic into the fired clay being as described in (2) above.
CLAIM
lclaimthefollowing: The improvement oftensile strength of fi red clay objects by means of plastics, both thermoplastic and thermosetting, applied molten or in solution or as reactant fluids to the fired clay object, such that the plastic is deposited in the voids and cracks of the fired clay.
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (4)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Reinforcement of fired clay objects using plastics This invention is concerned with the production of a new material for building and construction, engineering, agriculture, and furniture manufacture. Fired clay is an ancient material, easily and cheaply manufactured. It is a useful material for purposes wherestrength is required only in compression: the material fails relatively easily when subjected to tension orto bending forces. The lack of resistance to tension offired clay is due principally to microscopic cracks and voids in the substance, which grow rapidly when tension is applied. If the microscopic cracks and voids present in fired clay were filled with a substance of high tensile strength, such as nylon or other plastics, the result would be a substance possessing both high compressive, and high tensile, strengths.The new material would, therefore, have a wide variety of potential applications, for example railway sleepers; lintels; joists; guttering and drain pipes; poles; bridge components; fencing; weirs. According to the present invention it is suggested that plastics could be combined intimately with fired clay in order to improve the tensile strength of the fired clay. Plastics can be introduced into the interstices of fired clay by the following means:
1. The fired clay object or objects are exposed to plastics-forming gaseous monomers, such as ethylene (ethene, C2H4); propylene (propene C3H6); orformaldehyde (methanal, CH2O), under conditions of pressure and temperature, and with catalytic substances as required, such that plastic is formed.
2. The fired clay object or objects are treated with a solution of a plastic, or a solution of plastics: after absorbtion of the required quantity of solution, the fired clay object or objects are heated, or subjected to partial vacuum, or subjected to a current of air or other gas, or subjected to one or more ofthese conditions, such that the solvent evaporates and leaves plastic in the fired clay.
The solution could be injected into fired clay objectsthrough previously-made holesinthefired clay objects; or the solution cou Id be absorbed into the fi red clay by means of simple capillary action,the fired clay objects being immersed in a tank ofthe solution; orthefired clay objects could be treated with the solution under increased pressure.
3. The fired clay object or objects are treated with reactants, or solutions of reactants, that produce plastics by chemical reaction: the reaction leading to the formation of plastic taking place sufficiently slowly, so that the fired clay objects can be removed from the reactants or reactant solutions. The reactants or reactant solutions wou Id be introduced into the fired clay objects by methods described in (2) above.
4. The fired clay object or objects are treated with molten plastic, the methods used for introducing the molten plastic into the fired clay being as described in (2) above.
CLAIM
lclaimthefollowing: The improvement oftensile strength of fi red clay objects by means of plastics, both thermoplastic and thermosetting, applied molten or in solution or as reactant fluids to the fired clay object, such that the plastic is deposited in the voids and cracks of the fired clay.
GB08602436A 1986-01-31 1986-01-31 Reinforcement of fired clay objects using plastics Withdrawn GB2186005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08602436A GB2186005A (en) 1986-01-31 1986-01-31 Reinforcement of fired clay objects using plastics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08602436A GB2186005A (en) 1986-01-31 1986-01-31 Reinforcement of fired clay objects using plastics

Publications (2)

Publication Number Publication Date
GB8602436D0 GB8602436D0 (en) 1986-03-05
GB2186005A true GB2186005A (en) 1987-08-05

Family

ID=10592321

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08602436A Withdrawn GB2186005A (en) 1986-01-31 1986-01-31 Reinforcement of fired clay objects using plastics

Country Status (1)

Country Link
GB (1) GB2186005A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4000162A1 (en) * 1990-01-04 1991-07-11 Werner Theuerkorn CERAMIC COMPOSITION

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB205547A (en) * 1922-07-14 1923-10-15 Howard Vincent Potter Improvements connected with pottery, porcelain, earthenware and other porous mineral materials
GB218127A (en) * 1923-07-25 1924-07-03 Jorgen Ulrik Ahlmann Ohlsen Process for producing impermeable, strong, and acid-proof tubes, bricks and other articles from diatomic earth or the like
GB912533A (en) * 1960-07-14 1962-12-12 Didier Werke Ag The production of refractory, hydration-resistant bricks and blocks containing magnesia
GB1126991A (en) * 1966-01-25 1968-09-11 British Ceramic Res Ass Improvements relating to the impregnation of ceramic goods
US4024098A (en) * 1972-10-23 1977-05-17 Mitsui Toatsu Kagaku Kabushiki Kaisha (Mitsui Toatsu Chemicals, Incorporated) Reinforcing composition for mineral structures
GB2032441A (en) * 1978-10-16 1980-05-08 Inst Khim Fiz An Sssr Composite Material and Method of Producing the Same
EP0036397A1 (en) * 1980-03-14 1981-09-23 Mariano Mura Procedure for impregnating concrete and other materials plus devices to perform said procedure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB205547A (en) * 1922-07-14 1923-10-15 Howard Vincent Potter Improvements connected with pottery, porcelain, earthenware and other porous mineral materials
GB218127A (en) * 1923-07-25 1924-07-03 Jorgen Ulrik Ahlmann Ohlsen Process for producing impermeable, strong, and acid-proof tubes, bricks and other articles from diatomic earth or the like
GB912533A (en) * 1960-07-14 1962-12-12 Didier Werke Ag The production of refractory, hydration-resistant bricks and blocks containing magnesia
GB1126991A (en) * 1966-01-25 1968-09-11 British Ceramic Res Ass Improvements relating to the impregnation of ceramic goods
US4024098A (en) * 1972-10-23 1977-05-17 Mitsui Toatsu Kagaku Kabushiki Kaisha (Mitsui Toatsu Chemicals, Incorporated) Reinforcing composition for mineral structures
GB2032441A (en) * 1978-10-16 1980-05-08 Inst Khim Fiz An Sssr Composite Material and Method of Producing the Same
EP0036397A1 (en) * 1980-03-14 1981-09-23 Mariano Mura Procedure for impregnating concrete and other materials plus devices to perform said procedure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GB 1916/102797 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4000162A1 (en) * 1990-01-04 1991-07-11 Werner Theuerkorn CERAMIC COMPOSITION

Also Published As

Publication number Publication date
GB8602436D0 (en) 1986-03-05

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