WO1991006594A1 - Polymeric compositions - Google Patents
Polymeric compositions Download PDFInfo
- Publication number
- WO1991006594A1 WO1991006594A1 PCT/GB1990/001678 GB9001678W WO9106594A1 WO 1991006594 A1 WO1991006594 A1 WO 1991006594A1 GB 9001678 W GB9001678 W GB 9001678W WO 9106594 A1 WO9106594 A1 WO 9106594A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid
- polymer
- liquid medium
- mix
- particle
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
- E01C13/065—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003 at least one in situ layer consisting of or including bitumen, rubber or plastics
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- 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
Definitions
- This invention concerns methods and materials for the production of polymeric compositions, particularly, though by no means exclusively, suitable for use in the formation of impact absorbing surfaces or substrates to sports or play areas.
- Such impact absorbing surfaces comprise crumbs of a natural or synthetic rubber, such as EPDM for ex»ample, in a matrix of polymer, such as polyurethane for example.
- the matrix may completely fill the spaces between the crumbs to give a non-porous composition or may simply coat the surfaces of the crumbs to cause them to adhere leaving the interstices between the crumbs void to give a porous product.
- Either kind of composition may be laid to form a sports or play surface or to form a -substrate to another surface such as that provided by synthetic turf for example, or a composite surface may be formed by a base layer of porous material topped by a non-porous layer.
- compositions are prepared on site immediately before use by mixing crumb, liquid polymer and if necessary a catalyst, to enable them to be laid, in the manner of asphalt, before polymerization has advanced sufficiently to render them unworkable.
- Advantageously polymerization times are short to reduce the risk of damage to the finished surface before it has set.
- the shaped mass may be a horizontal layer.
- the liquid polymer may include an inhibitor or retarder to give extended shelf life.
- the liquid medium may contain a catalyst or a chemical to neutralise any inhibitor or retarder present in the liquid polymer.
- Both the rubber particle/polymer mix and the liquid medium may be prepared at a central facility and transported to application sites as required.
- the particle/polymer mix will without curing agent have a sufficiently long polymerization time to enable such transport and laying by relatively unskilled labour.
- the particulate material may be a natural or synthetic rubber crumb.
- the particle/polymer mix may be immersed in the liquid medium for a predetermined short period before formation of the shaped mass.
- the liquid medium may be applied to the laid crumb surface by spraying or pouring.
- the invention also includes compositions for use in practising the methods aforesaid.
- compositions for use in practising the methods aforesaid will be further apparent from the following description, which concerns, by way of example only, the laying of a running-track in accordance with one method thereof.
- a base coat comprising a mix of rubber crumb wetted with a suitable resin which does not readily polymerise by the action of air or water vapour is laid using conventional concrete or asphalt laying techniques and equipment.
- a liquid medium is then sprayed over the crumb surface so as to pass through the interstices of the mix and effect rapid polymerization of the resin to join the crumbs into a coherent mass. Excess liquid disperses into the sub-base.
- Both the crumb mixture and liquid medium can be prepared off-site and safely stored for a period before being transported for use.
- the resin may consist of a liquid glycidyl ether resin such as a polyglycidylether prepared by the reaction of bisphenol with epichlorohydrin, available from Shell Chemicals under the Trade name EPIKOTE.
- a liquid glycidyl ether resin such as a polyglycidylether prepared by the reaction of bisphenol with epichlorohydrin, available from Shell Chemicals under the Trade name EPIKOTE.
- Such resins may be cured with a polyamine such as a phenol-amine-formaldehyde condensation product for example those available from Shell Chemicals under the Trade name EPIKURE, or a polyaminoamide such as Casamid.
- a polyamine such as a phenol-amine-formaldehyde condensation product for example those available from Shell Chemicals under the Trade name EPIKURE, or a polyaminoamide such as Casamid.
- the crumb/polymer mix is immersed in the liquid medium curing agent for a predetermined short time to initiate polymerisation before the mix is laid.
- a soak time of around 30 minutes might be used leaving a mixture with a working life of around 3-4 hours, but this can be adjusted by varying the formulations and/or the soak time.
- the particulate material may comprise cork crumb, gravel, chipped bark or any other material suited to the intended application.
- the composition may include fillers, colouring materials or other known additives.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
There is disclosed a method of producing a porous composite comprising the steps of: forming a shaped mass of particulate material whose surfaces have been pre-wetted with a liquid polymer which will not readily polymerise by the action of air or water vapour; and treating the particle/polymer mix with a liquid curing agent medium to initiate polymerization of the liquid polymer, either immediately before or after formation of the mass. The method may be practised with rubber crumb to form a horizontal layer defining a sports or play surface.
Description
POLYMERIC COMPOSITIONS
This invention concerns methods and materials for the production of polymeric compositions, particularly, though by no means exclusively, suitable for use in the formation of impact absorbing surfaces or substrates to sports or play areas.
Known such impact absorbing surfaces comprise crumbs of a natural or synthetic rubber, such as EPDM for ex»ample, in a matrix of polymer, such as polyurethane for example.
The matrix may completely fill the spaces between the crumbs to give a non-porous composition or may simply coat the surfaces of the crumbs to cause them to adhere leaving the interstices between the crumbs void to give a porous product.
Either kind of composition may be laid to form a sports or play surface or to form a -substrate to another surface such as that provided by synthetic turf for example, or a composite surface may be formed by a base layer of porous material topped by a non-porous layer.
The compositions are prepared on site immediately before use by mixing crumb, liquid polymer and if
necessary a catalyst, to enable them to be laid, in the manner of asphalt, before polymerization has advanced sufficiently to render them unworkable. Advantageously polymerization times are short to reduce the risk of damage to the finished surface before it has set.
The on site preparation and short setting time neccessitates expensive equipment and highly trained operators regardless of the size of the project.
It is an object of the present invention to provide a method and materials for production of a porous composite which overcomes the disadvantage aforesaid.
According to the present invention there is provided a method of producing a porous composite comprising the steps of :-
forming a shaped mass of particulate material whose surfaces have been pre-wetted with a liquid polymer which will not readily polymerise by the action of air or water vapour; and
treating the particle/polymer mix with a liquid curing agent medium to initiate polymerization of the liquid polymer, either immediately before or after formation of said mass.
The shaped mass may be a horizontal layer.
The liquid polymer may include an inhibitor or retarder to give extended shelf life.
The liquid medium may contain a catalyst or a chemical to neutralise any inhibitor or retarder present in the liquid polymer.
Both the rubber particle/polymer mix and the liquid medium may be prepared at a central facility and transported to application sites as required. The particle/polymer mix will without curing agent have a sufficiently long polymerization time to enable such transport and laying by relatively unskilled labour.
The particulate material may be a natural or synthetic rubber crumb.
The particle/polymer mix may be immersed in the liquid medium for a predetermined short period before formation of the shaped mass.
The liquid medium may be applied to the laid crumb surface by spraying or pouring.
The invention also includes compositions for use in practising the methods aforesaid.
The invention will be further apparent from the following description, which concerns, by way of example only, the laying of a running-track in accordance with one method thereof.
Onto a suitable sub-base a base coat comprising a mix of rubber crumb wetted with a suitable resin which does not readily polymerise by the action of air or water vapour is laid using conventional concrete or asphalt laying techniques and equipment.
A liquid medium is then sprayed over the crumb surface so as to pass through the interstices of the mix and effect rapid polymerization of the resin to join the crumbs into a coherent mass. Excess liquid disperses into the sub-base.
Both the crumb mixture and liquid medium can be prepared off-site and safely stored for a period before being transported for use.
The resin may consist of a liquid glycidyl ether resin such as a polyglycidylether prepared by the reaction of bisphenol with epichlorohydrin, available from Shell Chemicals under the Trade name EPIKOTE.
Such resins may be cured with a polyamine such as a phenol-amine-formaldehyde condensation product for
example those available from Shell Chemicals under the Trade name EPIKURE, or a polyaminoamide such as Casamid.
Examples of preferred formulations will now be given,
Example I
Base Coat w/w
EPIKOTE 828 8.5
Rubber Crumb 86.0
Liquid Medium Curing Agent
EPIKURE DX 138 5.15
Ancamine 0.15
Example II
Base Coat w/w
EPIKOTE 255 9.2
Rubber Crumb 86.0
Liguid Medium Curing Agent
Casamid 360 9.2
Antifoam 0.4
Water 1.2
Propyl alcohol 2.3
In an alternative approach the crumb/polymer mix is immersed in the liquid medium curing agent for a predetermined short time to initiate polymerisation before the mix is laid. Typically a soak time of around 30 minutes might be used leaving a mixture with a working life of around 3-4 hours, but this can be adjusted by varying the formulations and/or the soak time.
It will be appreciated that it is not intended to limit the invention to the above example only, many variations, such as might readily occur to one skilled in the art, being possible, without departing from the scope thereof as defined by the appended claims.
Thus, for example, the particulate material may comprise cork crumb, gravel, chipped bark or any other material suited to the intended application.
Again, for example, the composition may include fillers, colouring materials or other known additives.
Claims
1. A method of producing a porous composite comprising the steps of :-
forming a shaped mass of particulate material whose surfaces have been pre-wetted with a liquid polymer which will not readily polymerise by the action of air or water vapour; and
treating the particle/polymer mix with a liquid curing agent medium to initiate polymerization of the liquid polymer, either immediately before or after formation of said mass.
2. A method according to claim 1, wherein the liquid polymer includes an inhibitor or retarder to give extended shelf life.
3. A method according to claim 2, wherein the liquid medium contains a catalyst o a chemical to neutralise any inhibitor or retarder present in the liquid polymer.
4. A method according to any preceding claim, wherein the particle/polymer mix is immersed in the liquid medium for a predetermined short period before formation of the mass.
5. A method according to any one of claims 1-3, wherein the liquid medium is applied to the particle/polymer mix by spraying or pouring.
6. A method according to any preceding claim, wherein both the particle/polymer mix and the liquid medium are prepared at a central facility and transported to application sites as required.
7. A method according to any preceding claim, wherein the liquid polymer comprises a glycidyl ether resin.
8. A method according to claim 7, wherein the liquid medium comprises a polyamide.
9. A method according to claim 7, wherein the liquid medium comprises a polyaminoamide.
10. A method according to any preceding claim wherein the particulate material is a natural or synthetic rubber crumb.
11. A method according to any preceding claim wherein said shaped mass is a horizontal layer.
12. A mix of particulate material and liquid polymer which will not readily polymerise by the action of air or water vapour for use in practising the method of any preceding claim.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8924877.7 | 1989-11-03 | ||
GB898924877A GB8924877D0 (en) | 1989-11-03 | 1989-11-03 | Polymeric compositions |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991006594A1 true WO1991006594A1 (en) | 1991-05-16 |
Family
ID=10665702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1990/001678 WO1991006594A1 (en) | 1989-11-03 | 1990-11-02 | Polymeric compositions |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU6630690A (en) |
GB (1) | GB8924877D0 (en) |
WO (1) | WO1991006594A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992019669A1 (en) * | 1991-05-02 | 1992-11-12 | Bowers, Jacqueline, Mary | Polymeric compositions |
US5993897A (en) * | 1997-03-18 | 1999-11-30 | Bowers; Frank | Pre-mixed polymer compositions |
US6565918B2 (en) | 2000-07-11 | 2003-05-20 | Star Uretech Limited | Bonding of rubber particles |
WO2006107792A1 (en) | 2005-04-05 | 2006-10-12 | General Electric Company | Cure system, adhesive system, electronic device |
WO2006107793A1 (en) * | 2005-04-05 | 2006-10-12 | General Electric Company | Method for producing cure system, adhesive system, and electronic device |
EP2445692B1 (en) | 2009-06-25 | 2017-01-04 | Sudscape Technologies Limited | Materials |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1658488A1 (en) * | 1967-04-13 | 1972-03-23 | Kohl & Soehne A | Multi-layer covering for sports and playground facilities |
DE2110327A1 (en) * | 1971-03-04 | 1972-09-21 | Herbert Allwelt | Rubber granules - from used tyres with rotary stripping blade and cutting screens |
US4107100A (en) * | 1974-06-06 | 1978-08-15 | Basf Wyandotte Corporation | Porous, substantially foam-free composites |
EP0165895A1 (en) * | 1984-05-21 | 1985-12-27 | Albert Fatio | Surfacing for sports grounds |
-
1989
- 1989-11-03 GB GB898924877A patent/GB8924877D0/en active Pending
-
1990
- 1990-11-02 WO PCT/GB1990/001678 patent/WO1991006594A1/en unknown
- 1990-11-02 AU AU66306/90A patent/AU6630690A/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1658488A1 (en) * | 1967-04-13 | 1972-03-23 | Kohl & Soehne A | Multi-layer covering for sports and playground facilities |
DE2110327A1 (en) * | 1971-03-04 | 1972-09-21 | Herbert Allwelt | Rubber granules - from used tyres with rotary stripping blade and cutting screens |
US4107100A (en) * | 1974-06-06 | 1978-08-15 | Basf Wyandotte Corporation | Porous, substantially foam-free composites |
EP0165895A1 (en) * | 1984-05-21 | 1985-12-27 | Albert Fatio | Surfacing for sports grounds |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992019669A1 (en) * | 1991-05-02 | 1992-11-12 | Bowers, Jacqueline, Mary | Polymeric compositions |
US5993897A (en) * | 1997-03-18 | 1999-11-30 | Bowers; Frank | Pre-mixed polymer compositions |
US6565918B2 (en) | 2000-07-11 | 2003-05-20 | Star Uretech Limited | Bonding of rubber particles |
WO2006107792A1 (en) | 2005-04-05 | 2006-10-12 | General Electric Company | Cure system, adhesive system, electronic device |
WO2006107793A1 (en) * | 2005-04-05 | 2006-10-12 | General Electric Company | Method for producing cure system, adhesive system, and electronic device |
US7446136B2 (en) | 2005-04-05 | 2008-11-04 | Momentive Performance Materials Inc. | Method for producing cure system, adhesive system, and electronic device |
EP2264096A1 (en) * | 2005-04-05 | 2010-12-22 | Momentive Performance Materials Inc. | Cure system, adhesive system, electronic device |
EP2264097A1 (en) * | 2005-04-05 | 2010-12-22 | Momentive Performance Materials Inc. | Method for producing cure system, adhesive system, and electronic device |
EP2445692B1 (en) | 2009-06-25 | 2017-01-04 | Sudscape Technologies Limited | Materials |
Also Published As
Publication number | Publication date |
---|---|
AU6630690A (en) | 1991-05-31 |
GB8924877D0 (en) | 1989-12-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS62133201A (en) | Polyurethane concrete composition and its use | |
CN104449514A (en) | Epoxy resin bonding agent cured at normal temperature for roads and bridges and preparation method of epoxy resin bonding agent | |
WO1991006594A1 (en) | Polymeric compositions | |
AU590842B2 (en) | Compositions and methods for no mix compounds | |
DE1671045A1 (en) | Process for the production of molded bodies consisting of a base layer made of concrete and a top layer made of synthetic resin | |
US4966490A (en) | Apparatus for use in applying a thin resinous coating to existing surfaces | |
EP0582614B1 (en) | Polymeric compositions | |
US4761313A (en) | Composition and method for the production of chemical resistant non-porous plastic flooring | |
JPS6067144A (en) | Manufacture of concrete block | |
DE3513487A1 (en) | METHOD FOR THE PRODUCTION OF ROAD CEILINGS ON BRIDGES | |
US4966927A (en) | Epoxy resin binder compositions and cured products obtained therefrom | |
CA1214914A (en) | Structural units and method for forming same | |
US4913862A (en) | Methods for applying no mix plastic compounds | |
US3806481A (en) | Joint sealing composition | |
JP2816854B2 (en) | Elastic slab paving method | |
JP6584620B1 (en) | Thermal barrier pavement material and thermal barrier pavement | |
JPH11107205A (en) | Woody paving composite material and execution and woody pavement by use thereof | |
JPH05280011A (en) | Method of fixing sand in pavement process | |
JP4017313B2 (en) | Earth-based pavement and its repair method | |
JPS58171435A (en) | Epoxy asphalt mixture of low-temperature underwater curing type | |
CA1251887A (en) | Epoxy resin composition and constructing material containing the same for use in new constructions or for repairs | |
WO1990000161A1 (en) | Composition for the preparation of an agglomerate made up of basic components together with a plastic-based binder, its processing and the products obtained | |
Luttinger et al. | Polymer Research in Rapid Runway Repair Materials. | |
CA2113407A1 (en) | Composition and method for sealing potholes | |
JPH0254311B2 (en) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AU BB BG BR CA FI GB HU JP KP KR LK MC MG MW NO RO SD SU US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE BF BJ CF CG CH CM DE DK ES FR GA GB GR IT LU ML MR NL SE SN TD TG |
|
NENP | Non-entry into the national phase |
Ref country code: CA |