GB2079626A - Adhesive tapes - Google Patents

Adhesive tapes Download PDF

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Publication number
GB2079626A
GB2079626A GB8021926A GB8021926A GB2079626A GB 2079626 A GB2079626 A GB 2079626A GB 8021926 A GB8021926 A GB 8021926A GB 8021926 A GB8021926 A GB 8021926A GB 2079626 A GB2079626 A GB 2079626A
Authority
GB
United Kingdom
Prior art keywords
coating
adhesive
tape
carrier
styrene
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.)
Granted
Application number
GB8021926A
Other versions
GB2079626B (en
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.)
CHAMBERLAIN PHIPPS Ltd
Original Assignee
CHAMBERLAIN PHIPPS Ltd
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 CHAMBERLAIN PHIPPS Ltd filed Critical CHAMBERLAIN PHIPPS Ltd
Priority to GB8021926A priority Critical patent/GB2079626B/en
Publication of GB2079626A publication Critical patent/GB2079626A/en
Application granted granted Critical
Publication of GB2079626B publication Critical patent/GB2079626B/en
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/21—Paper; Textile fabrics
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
    • C09J2301/204—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive coating being discontinuous
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/20—Presence of organic materials
    • C09J2400/26—Presence of textile or fabric
    • C09J2400/263—Presence of textile or fabric in the substrate

Abstract

An adhesive tape comprising a porous carrier having a discontinuous coating of a pressure sensitive adhesive on each face thereof. The porous carrier may be a woven fabric or a non-woven fibrous structure. The discontinuous coating may be applied by a variety of methods and the product is particularly suitable for use in building up reinforced structures.

Description

SPECIFICATION Adhesive tapes This invention relates to adhesive tapes and more particularly it concerns double-sided adhesive tapes.
According to the present invention an adhesive tape comprises a porous carrier having a discontinuous coating of a pressure sensitive adhesive on each face thereof.
The porous carrier may be a woven fabric or a non-woven fibrous structure such as a paper or fibrous mat. In one embodiment of the invention the carrier comprises glass fibres in the form of a mat, tissue or a woven cloth.
The discontinuous coating may be regular or irregular and may be applied to the carrier by a wide variety of techniques.
Examples of irregular coating techniques include spray coating, powder coating, and coating continuously with a film which subsequently reticulates.
One example of a regular coating technique is the use of printing technique, such as an engraved coater roller, to produce a geometric pattern. Alternatively, a series of spaced narrow strips of adhesive may be generated, for example by extruding, roller coating or blade coating using a notched blade, so as to extend along the length of the tape. The strips can extend axially of the tape or at an angle in diagonal or herringbone fashion and the strips can be continuous or discontinuous.
A preferred method of applying the discontinuous coating is to use reverse roll coater in which the speed of the rollers is adjusted, depending upon the rheology of the adhesive being applied, to give the desired effect.
The adhesive may be applied to the carrier in the form of a hot-melt, or in the form of an adhesive solution, emulsion or suspension.
Any pressure-sensitive adhesive may be applied to the carrier depending upon the end-use envisaged for the adhesive tape. Examples are natural and synthetic rubbers, such as polyisoprene, polychloroprene, polybutadiene, styrene-butadiene copolymers, ethylene-propylene rubbers and nitrile rubbers, acrylic polymers, vinyl polymers, such as the ethylene-vinyl acetate copolymers, vinyl ester polymers, polyesters and polyethers. Block copolymers may also be used, such as styrene-butadienestyrene and styrene-isoprene-styrene.
The adhesive may be formulated with additives to improve the properties for the particular application, e.g. adhesive performance may be improved by the addition of tackifying resins, processing oils and other known additives.
The application of the adhesive to the carrier is conveniently carried out using hot-melt techniques and for this method of application adhesives or adhesive compositions based on block-copolymers are preferred.
The adhesive tape may be provided with a liner of, for example, siliconised release paper. If desired, where such a liner is employed, the adhesive coating may be applied to the liner so that it is transferred to the carrier when brought into contact therewith. One side of the carrier may be coated directly and the other side may be coated by transfer from a liner.
Reference herein to coating a carrier with adhesive is to be construed as including indirect coating of the carrier by coating a liner as described above.
The double-sided adhesive tapes of the present invention are suitable for use in applications where the tape is required to permit the passage of material through it. Such an application is the building up of a reinforced polymeric plastics matrix structure in which the polymeric plastics precursor is required to pass through the tape to a substrate underlying it.
One particular example is the use of such tapes in the production of fibre-glass structures in which the tapes can be utilised to hold glass fibre reinforcement in position whilst it is impregnated with resin.
The tape may then form part of the reinforcement (in certain cases it may constitute the reinforcement) and to this end it is preferably a tape formed from glass filaments or fibres.
Where the tape is to be used in reinforcement applications as described above it is desirable that the adhesive should be soluble, to some extent, in the composition of the plastics precursor. Thus when polyester resin compositions are employed the adhesive is preferably styrene-soluble and the use of block copolymers based on styrene is advantageous, such as styrene-isoprene-styrene or styrene-butadiene-styrene block copolymers.
CLAIMS (Filed 16June 1981) 1. An adhesive tape comprising a porous carrier having discontinuous coating of a pressure sensitive adhesive on each face thereof.
2. Atape according to Claim 1 in which the porous carrier is a woven fabric or a non-woven fibrous structure.
3. A tape according to Claims 1 or 2 in which the discontinuous coating of pressure sensitive adhesive is an irregular coating applied by spray coating, powder coating or coating continuously with a film which subsequently reticulates.
4. A tape according to Claims 1 or 2 in which the discontinuous coating of pressure sensitive adhesive is a regular coating applied by a printing technique, extruding, roller coating or blade coating using a notched blade.
5. A tape according to Claim 4 in which the discontinuous coating is applied using a reverse roll coater.
6. Atape according to any of Claims 1 to 5 in which the adhesive includes one or more tackifying resins and/or processing oils.
7. Atape according to any of Claims 1 to 6 in which the adhesive is a block-copolymer.
8. Atape according to Claim 7 in which the adhesive is applied to the carrier using a hot-melt technique.
9. Atape according to any of Claims 1 to 8 in which the adhesive surfaces are protected by a release layer.
10. An adhesive tape substantially as herein described.
11. A method of producing an adhesive tape as
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (1)

  1. **WARNING** start of CLMS field may overlap end of DESC **.
    SPECIFICATION Adhesive tapes This invention relates to adhesive tapes and more particularly it concerns double-sided adhesive tapes.
    According to the present invention an adhesive tape comprises a porous carrier having a discontinuous coating of a pressure sensitive adhesive on each face thereof.
    The porous carrier may be a woven fabric or a non-woven fibrous structure such as a paper or fibrous mat. In one embodiment of the invention the carrier comprises glass fibres in the form of a mat, tissue or a woven cloth.
    The discontinuous coating may be regular or irregular and may be applied to the carrier by a wide variety of techniques.
    Examples of irregular coating techniques include spray coating, powder coating, and coating continuously with a film which subsequently reticulates.
    One example of a regular coating technique is the use of printing technique, such as an engraved coater roller, to produce a geometric pattern. Alternatively, a series of spaced narrow strips of adhesive may be generated, for example by extruding, roller coating or blade coating using a notched blade, so as to extend along the length of the tape. The strips can extend axially of the tape or at an angle in diagonal or herringbone fashion and the strips can be continuous or discontinuous.
    A preferred method of applying the discontinuous coating is to use reverse roll coater in which the speed of the rollers is adjusted, depending upon the rheology of the adhesive being applied, to give the desired effect.
    The adhesive may be applied to the carrier in the form of a hot-melt, or in the form of an adhesive solution, emulsion or suspension.
    Any pressure-sensitive adhesive may be applied to the carrier depending upon the end-use envisaged for the adhesive tape. Examples are natural and synthetic rubbers, such as polyisoprene, polychloroprene, polybutadiene, styrene-butadiene copolymers, ethylene-propylene rubbers and nitrile rubbers, acrylic polymers, vinyl polymers, such as the ethylene-vinyl acetate copolymers, vinyl ester polymers, polyesters and polyethers. Block copolymers may also be used, such as styrene-butadienestyrene and styrene-isoprene-styrene.
    The adhesive may be formulated with additives to improve the properties for the particular application, e.g. adhesive performance may be improved by the addition of tackifying resins, processing oils and other known additives.
    The application of the adhesive to the carrier is conveniently carried out using hot-melt techniques and for this method of application adhesives or adhesive compositions based on block-copolymers are preferred.
    The adhesive tape may be provided with a liner of, for example, siliconised release paper. If desired, where such a liner is employed, the adhesive coating may be applied to the liner so that it is transferred to the carrier when brought into contact therewith. One side of the carrier may be coated directly and the other side may be coated by transfer from a liner.
    Reference herein to coating a carrier with adhesive is to be construed as including indirect coating of the carrier by coating a liner as described above.
    The double-sided adhesive tapes of the present invention are suitable for use in applications where the tape is required to permit the passage of material through it. Such an application is the building up of a reinforced polymeric plastics matrix structure in which the polymeric plastics precursor is required to pass through the tape to a substrate underlying it.
    One particular example is the use of such tapes in the production of fibre-glass structures in which the tapes can be utilised to hold glass fibre reinforcement in position whilst it is impregnated with resin.
    The tape may then form part of the reinforcement (in certain cases it may constitute the reinforcement) and to this end it is preferably a tape formed from glass filaments or fibres.
    Where the tape is to be used in reinforcement applications as described above it is desirable that the adhesive should be soluble, to some extent, in the composition of the plastics precursor. Thus when polyester resin compositions are employed the adhesive is preferably styrene-soluble and the use of block copolymers based on styrene is advantageous, such as styrene-isoprene-styrene or styrene-butadiene-styrene block copolymers.
    CLAIMS (Filed 16June 1981)
    1. An adhesive tape comprising a porous carrier having discontinuous coating of a pressure sensitive adhesive on each face thereof.
    2. Atape according to Claim 1 in which the porous carrier is a woven fabric or a non-woven fibrous structure.
    3. A tape according to Claims 1 or 2 in which the discontinuous coating of pressure sensitive adhesive is an irregular coating applied by spray coating, powder coating or coating continuously with a film which subsequently reticulates.
    4. A tape according to Claims 1 or 2 in which the discontinuous coating of pressure sensitive adhesive is a regular coating applied by a printing technique, extruding, roller coating or blade coating using a notched blade.
    5. A tape according to Claim 4 in which the discontinuous coating is applied using a reverse roll coater.
    6. Atape according to any of Claims 1 to 5 in which the adhesive includes one or more tackifying resins and/or processing oils.
    7. Atape according to any of Claims 1 to 6 in which the adhesive is a block-copolymer.
    8. Atape according to Claim 7 in which the adhesive is applied to the carrier using a hot-melt technique.
    9. Atape according to any of Claims 1 to 8 in which the adhesive surfaces are protected by a release layer.
    10. An adhesive tape substantially as herein described.
    11. A method of producing an adhesive tape as claimed in any of Claims 1 to 10 comprising applying a discontinuous coating of a pressure sensitive adhesive on both faces of a porous carrier.
    12. A method according to Claim 11 in which the coating is an irregular coating applied by spary coating, powder coating or coating continuously with a film which subsequently reticulates.
    13. A method according to Claim 11 in which the coating is a regular coating applied by a printing technique, extruding, roller coating or blade coating using a notched blade.
    14. A method according to any of claims 11 to 13 in which the coating on one or both faces of the carrier is first applied to a release layer and then transferred from the release layer to the face of the carrier.
    15. A method of making an adhesive tape substantially as herein described.
    16. A method of producing a reinforced resin structure in which the reinforcement comprises a porous structure which includes the step of adhering the porous reinforcing structure with a tape as claimed in any of Claims 1 to 10 before impregnating it with resin.
    17. A method according to Claim 16 in which the porous reinforcing structure is a mat, tissue or woven cloth of glass fibres.
    18. A method according to Claim 17 in which the porous carrier is a mat, tissue or a woven cloth of glass fibres and the pressure sensitive adhesive is styrene-soluble.
    19. A method of producing a reinforced resin structure substantially as herein described.
    New claims or amendments to claims filed on 29.9.81 Superseded claims All New or amended claims:
    1. A method of producing a reinforced resin structure which comprises a layer or a plurality of superposed layers of porous reinforcing material, the layer layers being impregnated with a hardenable resin and the resin subsequently being hardened to produce the structure, said method including the step of adhering to a substrate or a layer of porous reinforcing material one face of an adhesivecoated tape comprising a porous carrier having a discontinuous coating of a pressure sensitive adhesive on each face thereof and applying a layer of porous reinforcing material to the other face of the tape, whereby the further layer is held in position.
    2. A method according to Claim 1 in which the porous carrier is a woven fabric or a non-woven fibrous structure.
    3. A method according to Claims 1 or 2 in which the porous reinforcing structure is a mat, tissue or cloth comprising glass fibres.
    4. A method according to any of Claims 1 to 3 in which the resin is a polyester resin.
    5. A method according to Claim 4 in which the pressure sensitive adhesive is styrene-soluble.
    6. A method of producing reinforced resin structure substantially as herein described.
    7. A reinforcing tape for use in a method as claimed in any of Claims 1 to 6, said reinforcing tape comprising a porous carrier of a reinforcing material having a discontinuous coating of a pressure sensitive material on each face thereof.
    8. A tape according to Claim 7 in which the discontinuous coating of pressure sensitive adhesive is an irregular coating applied by spray coating, powder coating or coating continuously with a film which subsequently reticulates.
    9. A tape according to Claims 7 or 8 in which the discontinuous coating of pressure sensitive adhesive is a regular coating applied by printing techni- que, extruding, roller coating or blade coating using a notched blade.
    10. Atape according to Claim 9 in which the - discontinuous coating is applied using a reverse roll coater.
    11. Atape according to any of Claims 7 to 10 in which the adhesive includes one or more tackifying resins and/or processing oils.
    12. Atape according to any of Claims 7 to 11 in which the adhesive is a block-copolymer.
    13. A tape according to Claim 12 in which the adhesive is applied to the carrier using a hot-melt technique.
    14. Atape according to any of Claims 7 to 13 in which the adhesive surfaces are protected by a release layer.
    15. Atape according to Claim 14 in which the adhesive is applied to the release layer and is transferred to the porous carrier when the carrier is assembled with the release layer.
    16. A reinforcing tape for use in a method as claimed in any of Claims 1 to 6 and substantially as herein described.
    New claims or amendments to claims filed on 6th October 1981 Superseded claims 1 New or amended claims
    1. A method of producing a reinforced resin structure which comprises a layer or a plurality of superposed layers of porous reinforcing material, the layer or layers being impregnated with a hardenable resin and the resin subsequently being hardened to produce the structure, said method including the step of adhering to a substrate or a layer ofporous reinforcing material one face of an adhesive- coated tape comprising a porous carrier having a discontinuous coating of a pressure sensitive adhesive on each face thereof and applying a layer of porous reinforcing material to the other face of the tape, whereby the further layer is held in position.
GB8021926A 1980-07-04 1980-07-04 Adhesive tapes Expired GB2079626B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8021926A GB2079626B (en) 1980-07-04 1980-07-04 Adhesive tapes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8021926A GB2079626B (en) 1980-07-04 1980-07-04 Adhesive tapes

Publications (2)

Publication Number Publication Date
GB2079626A true GB2079626A (en) 1982-01-27
GB2079626B GB2079626B (en) 1983-12-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
GB8021926A Expired GB2079626B (en) 1980-07-04 1980-07-04 Adhesive tapes

Country Status (1)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587396A1 (en) * 1985-09-19 1987-03-20 Seigneurie SELF-ADHESIVE REINFORCING STRIP AND METHOD USING THE SAME FOR APPLYING A SOFT THICK COATING TO A SUPPORT COMPRISING JOINTS AND / OR CRACKS
GB2263434A (en) * 1991-12-17 1993-07-28 Fixit Adhesive laminate for sealable bags
WO2010042995A1 (en) * 2008-10-16 2010-04-22 I.N.C. Corporation Pty Ltd Tape material and roll comprising pressure sensitive adhesive
US8534419B2 (en) 2008-10-16 2013-09-17 Zephyros, Inc. Composite sound absorber
US9546439B2 (en) 2014-05-15 2017-01-17 Zephyros, Inc. Process of making short fiber nonwoven molded articles
US10113322B2 (en) 2014-12-08 2018-10-30 Zephyros, Inc. Vertically lapped fibrous flooring
US10460715B2 (en) 2015-01-12 2019-10-29 Zephyros, Inc. Acoustic floor underlay system
US10755686B2 (en) 2015-01-20 2020-08-25 Zephyros, Inc. Aluminized faced nonwoven materials
WO2020169169A1 (en) * 2019-02-19 2020-08-27 Knauf Gips Kg Joint tape
US11541626B2 (en) 2015-05-20 2023-01-03 Zephyros, Inc. Multi-impedance composite
RU2787857C2 (en) * 2019-02-19 2023-01-13 Кнауф Гипс Кг Tape for overlapping joints
GB2618068A (en) * 2022-04-19 2023-11-01 Airbus Operations Ltd Aircraft structure

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587396A1 (en) * 1985-09-19 1987-03-20 Seigneurie SELF-ADHESIVE REINFORCING STRIP AND METHOD USING THE SAME FOR APPLYING A SOFT THICK COATING TO A SUPPORT COMPRISING JOINTS AND / OR CRACKS
WO1987001715A1 (en) * 1985-09-19 1987-03-26 La Seigneurie Self-adhesive armature tape for improving the resistance to cracking of a flexible thick coating applied to a support comprising joints and/or cracks and method for making such a coating reinforced by said tape
GB2263434A (en) * 1991-12-17 1993-07-28 Fixit Adhesive laminate for sealable bags
GB2263434B (en) * 1991-12-17 1995-11-29 Fixit Adhesive laminate
US9623627B2 (en) 2008-10-16 2017-04-18 Zephyros, Inc. Composite sound absorber
US8950549B2 (en) 2008-10-16 2015-02-10 Zephyros, Inc. Composite sound absorber
AU2009304593B2 (en) * 2008-10-16 2015-04-23 Zephyros, Inc. Tape material and roll comprising pressure sensitive adhesive
US9151040B2 (en) 2008-10-16 2015-10-06 Zephyros, Inc. Tape material and roll comprising pressure sensitive adhesive
WO2010042995A1 (en) * 2008-10-16 2010-04-22 I.N.C. Corporation Pty Ltd Tape material and roll comprising pressure sensitive adhesive
US8534419B2 (en) 2008-10-16 2013-09-17 Zephyros, Inc. Composite sound absorber
US10329701B2 (en) 2014-05-15 2019-06-25 Zephyros, Inc. Method of forming a nonwoven molded article
US9546439B2 (en) 2014-05-15 2017-01-17 Zephyros, Inc. Process of making short fiber nonwoven molded articles
US10113322B2 (en) 2014-12-08 2018-10-30 Zephyros, Inc. Vertically lapped fibrous flooring
US11542714B2 (en) 2014-12-08 2023-01-03 Zephyros, Inc. Vertically lapped fibrous flooring
US10460715B2 (en) 2015-01-12 2019-10-29 Zephyros, Inc. Acoustic floor underlay system
US10755686B2 (en) 2015-01-20 2020-08-25 Zephyros, Inc. Aluminized faced nonwoven materials
US11541626B2 (en) 2015-05-20 2023-01-03 Zephyros, Inc. Multi-impedance composite
WO2020169169A1 (en) * 2019-02-19 2020-08-27 Knauf Gips Kg Joint tape
RU2787857C2 (en) * 2019-02-19 2023-01-13 Кнауф Гипс Кг Tape for overlapping joints
GB2618068A (en) * 2022-04-19 2023-11-01 Airbus Operations Ltd Aircraft structure

Also Published As

Publication number Publication date
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PCNP Patent ceased through non-payment of renewal fee