CA1154328A - Transferable flocked fiber sticker material - Google Patents

Transferable flocked fiber sticker material

Info

Publication number
CA1154328A
CA1154328A CA000356005A CA356005A CA1154328A CA 1154328 A CA1154328 A CA 1154328A CA 000356005 A CA000356005 A CA 000356005A CA 356005 A CA356005 A CA 356005A CA 1154328 A CA1154328 A CA 1154328A
Authority
CA
Canada
Prior art keywords
resin adhesive
hot melt
flocked
melt resin
fibers
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
CA000356005A
Other languages
French (fr)
Inventor
Shigehiko Higashiguchi
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.)
TOKYO HOULAISHA CO Ltd
Original Assignee
TOKYO HOULAISHA CO 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 TOKYO HOULAISHA CO Ltd filed Critical TOKYO HOULAISHA CO Ltd
Application granted granted Critical
Publication of CA1154328A publication Critical patent/CA1154328A/en
Expired legal-status Critical Current

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Landscapes

  • Decoration Of Textiles (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)

Abstract

ABSTRACT OF THE DISCLOSURE:

A transferable flocked fiber sticker material comprising a base sheet, a release adhesive layer applied to one surface of the base sheet, fibers releasably flocked to the adhesive-applied surface of the base sheet in erect position and a hot melt resin adhesive mixture layer applied to the exposed ends of the fibers. The hot melt resin adhesive mixture contains an inorganic or organic filler, a blowing agent and at least one rubber latex.

Description

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This invention relates to an improved transferable flocked fiber stricker material.
There have been proposed and practically employed a great variety of transferable flocked fiber stricker materials and the transEerable flocked fiber stricker material.s oE the prior art have been typically produced by the method.which comprises the steps of applying a water soluble and water dispersible adhesive selected from the group consisting of .carboxymethylcellulose (C.M.C.), casein, starch, rice-cake powder, acrylic acid resins and vinyl acetate resins to one surface of a base sheet ~Jhich is formed of paper, cellophane or the like, releasably flocking a number of fibers to the adhesive-applied surface oE the base sheet by electrostatic blowing and applying a thermoplastic synthetic resin adhesivè
to the exposed ends of all of the releasably flocked fibers or some of the flocked fibers in ? desired design or pattern to form a thermoplastic resin adhesive layer thereon to thereby provide a transferable flocked fiber sticker material. In ~: .. the transfer of the releasably flocked fibers from the thus .
: 20 produced transferable Elocked fiber sticker material to a LabLic: such as a shirt, the sticker material is placed onto the Eabric so as to bring the thermoplastic resin adhesive layer into contact with the fabric! heat and pressure are ~ applied to the surface of the base sheet opposite from the : . release adhesive-applied surface thereoE or to the surface of the fabric opposite from the surface thereof which is in contact with the thermoplastic resin adhesive layer so as to fuse the thermoplastic resin adhesive to thereby cause the fibers to permanently adhere to the Eabric , separating the -transferable flocked fibe~ sticker material from the Eabric after the curing of the thermoplastic resin adhesive so as to permanently transfer the fiber onto the fabric in the same pattern as tha-t in which the thermoplastic resin adhesive was applied to the fibers.
The thermoplastic resin adhesive layer to be ormed at the exposed ends of the releasably flocked fibers has been conventionally Eormed of at least one member selected from the group consisting of acrylic acid resins, latex resins, vinyl acetate resins and vinyl chloride resins which serve to align the exposed ends of the fibers to which the thermoplastic resin has been applied in line and also hold hot melt resin adhesive which is sometime sprinklecl over the thermoplastic resin layer on the latter. The thermoplastic resln adhesive is applied to the exposed ends of the releasably flocked fibers by the so-called screen printing, for example. When the hot melt resin adhesive which promotes adhesion of the fibers to a fabric such as a shirt is to be sprinkled over the thermoplastic resin adhesive layer, before the thermoplastic resin adhesive layer cures after the adhesive has been applied to the fabrics, the hot melt resin adhesive in the form o~ fine particle or pellet is sprinkled over the -thermoplastic resin adhesive layer and the resultant assembly is forcibly dried by heating to render the hot melt resin adhesive to a partially fused state. The partially fused hot melt resin adhesive se~tles itself on the thermoplastic resin adhesive layer and then firmly adheres to the thermoplastic resin adhesive layer after the cooling of the assembly.
Thus, the process will not present any grave problem when the thermoplastic resin adhesive layer is formed to cover the exposed ends of all the releasably flocked fibers.
On the other hand, when the thermoplastic resin adhesive is applied to the exposed ends of selected ones of the releasably flocked fibers in a design or patter, first of all, the thermoplastic resin adhesive is applied to the exposed ends of the selected fibers by the screen printing or the like and -- 2 ~

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the hot melt resin adhesive in fine par-ticle or pellet form is sprinkled over the thermoplastic resin adhesive layer before the latter dried. However, in the sprinkling of the hot melt resin adhesive, a portion of the sprinkled hot melt resin adhesive particles frequently fall onto the exposed ends of the Eibers which are not covered by the thermoplastic resin adhesive layer applied in the design or pattern and/or fall into the spaces between the fibers. IE the assembly is dried by heating with the hot melt resin adhesive particles remaining on the fibers not covered by the design or pattern and in the spaces between the fibers, such portion of the hot melt resin adhesive particles soften to the degree that the hot melt resin adhesive particles cause the releasably flocked Eibers to adhere to each other to form a fiber mass and/or the hot melt resin adhesive particles themse-ves adhered to the fibers not covered by the design to ~rovide an unsatisfactory transferable flocked fiber sticker'material. Thus, when the releasably Elocked fibers are transferred Erom such an un-satisfactory sticker material onto a fabric, the fibers cannot be transferred onto the fabric ln the desired or intended design or pattern. Therefore, such hot melt resin adhesive particIes have to be removed from the fibers not covered`by the design and/or the spaces between the fibers before the .
'obtained transferable'flocked fiber sticker material is subjected to the'drying s-tep. However, it is very difficult or tedious to remove the hot melt resin adhesive particles Erom the spaces'between the fibers resulting in diminishing of the production efficiency of the transferable flocked f`iber sticker material.
ThereEore, the present invention is to provide a novel and improved trans~erable f~ocked fiber sticker material by the above-mentioned conventional method except for the .
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3~8 elimination of the hot melt resin adhe,sive sp~inklin,g step therefrom so as to e~ade the disadvantage that the hot melt resin adhesive particles adhere to any undesired area of the fiber flocked surface of the obtained transEerable flocked fiber stickex material.
~s a result of the elimination of the hot melt resin adhesi~e particle spxinkling step in the production of a transferable flocked fiber sticker material according to the presen,t in~ention, the production efficiency of the sticker material is greatly enhanced.
In particular, the present invention provides a transferable flocked fiber sticker material formed of~a member, selected from the group consisting of paper, regenerated cellu- '~lose, cloth and non-woven fabric, a release adhesive layer applied to one surface of said base sheet, fibers releasably flocked to said adhesive-applied surEace of the base sheet and a hot melt resin adhesive mixture layer applied to the exposed ends of said releasably flocked fibers.
The above and other objects and attendant advantages of the present invention will be more readily apparent to those skilled in the-art from a reading of the following ' detailed descrlption in conjunction wi'th the accompanying ' drawing which shows one preferred embod1ment o~ the inventlon~ '~
for illustration purpose only, but,not for limiting the scope~
on the same ln any way.
The sole figure of the accompanying drawing is a vertically sectional view on an exagerated scale of the transferable flocked fiber sticker material embodying the present in~ention.
The prese~t in~ention will be now described referring to the accompanying drawing.
The applicant has already proposed a transEerable - 4 ~

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flocked fiber sticker materia,1 and th,e t~a~sferable.flocked fiber sticker matexial is p~oduced by the method wh.ich com-prises the steps of a,pplying a release a,dhesi~e to one surface of a base sheet formed of paper, cellophane (i.e. regenerated cellulose? t cloth or non-woven fabric, releasably flocking fibers to the adhesive-applied surface of the base sheet by electrostatic blasting, applying a hot melt resin.adhesive in the form of.a paste dissolved in water or other liquid sol~ent to,the fiber-flocked surface -. 10 , /

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of the base sheet by screen printi.ng or the like, heating -the thus obtalned assembly to a temperature just sufficient to evaporate the water or other liquid solvent and render the hot melt resin adhesive to a partially fused state to thereby cause the hot melt resin adhesive to adhere to the Eiber-flocked surface of the base sheet and cooling the assembly so as to firmly hold the hot melt resin adhesive on the fiber-flocked surface of the base sheet~
However, although the transferable flocked fiber sticker material produced by the production steps described :
just above is advantageous over the comparable prior products, since the hot melt resin adhesive is directly applied to the fiber-flocked surface of the base sheet,~when the releasably flocked fibers are transferred from the transferable flockecl fiber sticker material onto a fabric.such as a shirt by apply-ing the sticker material against the fabric so as to bring :
the hot melt resin adhesive layer into contact with the fabric and then applying heat and pressure to the sticker material or fabric to fuse the hot melt resin adhesive, since the hot melt resin adhesive is di`rectly applied to the iber-flocked surface of the base sheet in the sticker material and the sticker materlal lacks any intervenient material between the fabric and fIocked fibers which corresponds to the thermo-plastic resin adhesive`layer applied to the exposed ends of .
the releasably flocked fibers and principally acting to . .
aIign the fiber ends in line as found in the transferable Elocked fi.ber sticker material described in the preamble of this application, there are the disadvantages that the transferredfibers lack any appreciable three-dimensional appearance and when the fabric having the fibers transferred thereon is folded, a crack or cracks would develop in the hot melt resin adhesive layer which firmly holds the transEerred fibers on -the fabric~

5 _ In order to produce a transferable flocked fiber sticker material which eliminates the disadvantages such as lack of three-di.mensional appearance and cracks in the hot melt resin layer, the applicant has conducted various experiments resulting in the present invention~
According to the present invention, one surface of a base sheet 1 formed of paper, cellophane or cloth as employed in the previously proposed transerable flocked.fiber sticker materials is applied thereto an adhesive capable of releasably flocklng fibers to the base sheet to form a release adhesive layer 2, fibers 3 are releasably flocked to the adhesive-applied surface of the base sheet 1 in erect and closely adja-cent relationship and a hot melt~resin adhesive mixture is applied to the exposed ends of the releasably flocked fibers :; 3 to form a transfer adhesive layer 4. In the preparation of the adhesive mixture formillg the transfer~adhesive layer 4, a hot melt resin adhesive in the form o fine particle is added thereto at least one elastlcity imparting assistant selected from the group consistillg of SBR latex, vinyl pyridine latex, ;~ ~ 20 lsoprene rubber latex, chloroprene rubber latex, acrylate . latex and butyl rubber latex (these elasticity imparting .
assistants serve to prevent the development of a crack or cracks in the transfer adhesive layer 4 when the fabric having :
the fibers 3 transferred thereon is folded), at least one in- ~ -o.rganic or organic filler selected from the ~roup consisting of clay, silicates, calcium sulfate, calcium carbonate and magnesium carbonate, for example, which have been generally employed as bulk fillers and if necessary or desired, a blowing agent, and the resultaDt hot melt resin adhesive mixture is .

dissolved ln water or other liquid solvent to provide a psste :
form hot melt resin adhesive mi.xture. The paste form hot melt resin adhesive mixture is applied to the exposed ends of the ~ 6 - :

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fibers 3 releasably flocked to the base sheet l in the manner t~
mentioned hereinabove and the fibers are then transferred from the thus obtained transferable flocked fiber sticker material onto a fabric such as a shirt in the manner mentioned here-inabove- r In the fiber transfer operation, the applied heat and pressure fuse the paste form hot melt resin adhesive and the additives in the fused hot melt resin adhesive mixture exhibit their respectively expected functions and thus, the fibers transferred onto the fabric in a design or pattern give a three-dimensional appearance and even when the ~abric having ' the fibers transferred thereon is foldecl, no crack develops i in the hot melt resin adhesive layer whereby a transferred fiber design having a clearcut confi~uration can be obtained.
As to the fine particle hot melt resin adhesi~e referred to hereinabove, the adhesive itself has been sold by Nippon Rirusan Co., Ltd. under the trade mark "Platamid E
H-105P-~O.H-15PS-80.H-OOSP-80" and b~ Sumitomo Chemical Industry l~
Co., Ltd. under the trade mark "Sumilink DR-55 grade S,DR-150 grade S" and the ine particle hot melt resin adhesive having a plasticizer as a molding assistant added thereto has been sold by Toyo Ra~on Co., Ltd. under the trade name "832-P80, 'r 833-P80".- When the latter is employed, the elasticity imparting assistant, bulk filler and and blowing agent reerred to here-inabove are added to the hot melt resin adhesive in suitable amounts by taking the amount of the plasticizer into considera-tion. The thus prepared hot melt resin adhesive mixture is dissolved in water or other liquid solvent to provide a paste form hot melt resin adhesive mixture and the paste is applied to the exposed ends oE the fibers releasably flocked to the base sheet.
While only one embodiment of the invention has _ 7 _ 43~8 been shown and clescribed in detail, lt will be understood that the same is Eor illustration purpose only ancl not to be taken as a :definition of the invention, reference being had for this purpose to the appended claims.

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Claims (7)

The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
1. A transferable flocked fiber sticker material formed of a member selected from the group consisting of paper, regenerated cellulose, cloth and non-woven fabric, a release adhesive layer applied to one surface of said base sheet, fibers releasably flocked to said adhesive-applied surface of the base sheet and a hot melt resin adhesive mixture layer applied to the exposed ends of said releasably flocked fibers.
2. The transferable flocked fiber sticker material as set forth in Claim 1, in which said hot melt resin adhesive mixture contains at least one elasticity imparting agent and at least one bulk filler.
3. The transferable flocked fiber sticker material as set forth in Claim 1, in which said hot metal resin adhesive mixture further contains a blowing agent.
4. The transferable flocked fiber sticker material as set forth in Claim 2, in which said elasticity imparting agent comprises at least one member selected from the group consisting of SBR latex, vinyl pyridine latex, isoprene rubber latex, chloroprene latex, acrylate latex and butyl rubber latex and said bulk filler comprises at least one member selected from the group consisting of clay, silicates, calcium sulfate, calcium carbonate and magnesium carbonate.
5. The transferable-flocked fiber sticker material as set forth in Claim l, in which said hot melt resin adhesive mixture is applied to said releasably flocked fibers in the form of a paste dissolved in water or other liquid solvent.
6. The transferable flocked fiber sticker material as set forth in Claim 5, in which said hot melt resin adhesive mixture layer is formed by applying said paste form hot melt resin adhesive mixture to said exposed ends of the releasably flocked fibers, heating the assembly including said base sheet, release adhesive layer, releasably flocked fibers and hot melt resin adhesive mixture layer to a temperature just suffi-cient to evaporate said solvent and render said hot melt resin adhesive mixture to a partially fused state.
7. The transferable flocked fiber sticker material as set forth in Claim 5, in which said hot melt resin adhesive mixture in the form of a paste is applied to said releasably flocked fibers in a desired pattern by screen printing.
CA000356005A 1979-07-12 1980-07-11 Transferable flocked fiber sticker material Expired CA1154328A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8852679A JPS5613159A (en) 1979-07-12 1979-07-12 Emblem material consisting of transplanting hair planting body
JP88526/79 1979-07-12

Publications (1)

Publication Number Publication Date
CA1154328A true CA1154328A (en) 1983-09-27

Family

ID=13945275

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000356005A Expired CA1154328A (en) 1979-07-12 1980-07-11 Transferable flocked fiber sticker material

Country Status (3)

Country Link
JP (1) JPS5613159A (en)
AU (1) AU538260B2 (en)
CA (1) CA1154328A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115011264B (en) * 2022-07-22 2023-06-16 杭州志和新材料有限公司 Cold/hot glue dual wall cloth and construction method thereof

Also Published As

Publication number Publication date
AU538260B2 (en) 1984-08-09
JPS5613159A (en) 1981-02-09
AU5466780A (en) 1980-07-17

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