CN1417279A

CN1417279A - Easy-to-cut security tape

Info

Publication number: CN1417279A
Application number: CN 01134717
Authority: CN
Inventors: 吴建宏
Original assignee: Individual
Current assignee: Lin Huizhu
Priority date: 2001-11-08
Filing date: 2001-11-08
Publication date: 2003-05-14
Anticipated expiration: 2021-11-08
Also published as: CN1197701C

Abstract

A safety adhesive tape easy to cut off and take comprises a substrate layer, a hard resin layer, an adhesive layer and an anti-adhesive layer; the substrate layer is a plastic film, the hard resin layer is coated on the upper surface of the substrate layer to adjust the physical properties of the structure, the adhesive layer is coated on the lower bottom surface of the substrate layer to provide adhesiveness, and the anti-adhesion layer is coated on the surface of the hard resin layer to provide a release effect; the adhesive tape of the invention has the characteristics of easy cutting and easy tearing due to the structural physical property adjusted by the hard resin layer, is more convenient for consumers to use, and is safer due to easy cutting and use.

Description

The safety adhesive tape of easy-to-cut

Technical field

The present invention is relevant a kind of adhesive tape, particularly about a kind of easy cutting, easily tear and safety adhesive tape that more convenient human consumer uses.

Background technology

Adhesive tape is of long duration as wrapping material, generally packs or adhesive tape used in everyday, and it roughly comprises a hypothallus, a mucigel and an anti-glutinous layer.Hypothallus is all emphasized enough tensile strength (tensile strength) in general demand, or unit elongation (elongation), so toughness of material is higher, and the relative occasion of using the human consumer, its cutting or tear also inconvenient.

No. the 106921st, the novel patent right of the TaiWan, China that the contriver had (application case number No. 84206837), providing can be for the adhesive tape of writing, and except can be for printing word, pattern or for writing, and can arbitrarily paste.

Summary of the invention

The shortcoming that the adhesive tape matrix of The present invention be directed to is over used research and develop new structure, makes the characteristic that adhesive tape has easy cutting, easily tears, and more convenient human consumer uses, also owing to easy-to-cut and safer.On the other hand, the present invention is also at the vast stationery purposes of adhesive tape, develops with the lettering feature and the easy adhesive tape of blocking property.

The safety adhesive tape of easy-to-cut of the present invention, it roughly comprises:

One hypothallus, it has a upper surface and a bottom surface, and this hypothallus is one to be selected from polyester film, twin shaft and to extend the film that polypropylene film or polyvinyl chloride film are constituted, and its thickness is between 0.008 to 0.08mm;

One hard resin layer is coated this hypothallus upper surface, and this hard resin layer is to be selected from least a thin layer that constitutes that comprises acryl resin, polystyrene resin, polyurethane resin group for one, and its thickness is between between the 0.002mm to 0.04mm;

One mucigel is coated this hypothallus bottom surface, and this mucigel is to be selected from the thin layer that comprises that water-based acryl viscose, oiliness acryl viscose or hot viscose are constituted for one, and the thickness of this mucigel is between between the 0.001mm to 0.03mm; And

One anti-glutinous layer is coated on the surface of this hard resin layer, and this anti-glutinous layer is to be selected from and to comprise silicone resin or the cured thin layer that constitutes of lower molecular weight for one, and the amount of coating is between 0.0002gm/m ²To 20.0gm/m ²Between.

Wherein this hypothallus is that thickness is between the polyester film between the 0.01mm to 0.05mm.

Wherein this hard resin layer is that its thickness is between the acryl resin thin layer between the 0.004mm to 0.02mm.

Wherein this mucigel is that thickness is between the water-based acryl viscose thin layer between the 0.005mm to 0.01mm.

Should anti-glutinous layer be the cured thin layer that constitutes of a lower molecular weight wherein, the amount of coating be between 0.002gm/m ²To 2.00gm/m ²Between.

Wherein be folded with a printing writing layer between this hard resin layer and the anti-glutinous layer, this printing writing layer is the thin layer that constitutes for resin compound, this resin compound is made through mixing with additive by resin, this resin is be selected from acryl resin, polyurethane resin and Resins, epoxy at least a, this additive is to be selected to comprise at least a of lime carbonate, silica gel and titanium dioxide group, the blending ratio of resin and additive is approximately between 1, between 000: 1 to 10: 1, the thickness of this printing writing layer is between between the 0.0001mm to 0.05mm.

Wherein this resin compound is made of acryl resin and lime carbonate, and the blending ratio of resin and additive is between 100: 1 to 20: 1, and the thickness of this printing writing layer is between between the 0.001mm to 0.01mm.

The safety adhesive tape of easy-to-cut of the present invention, it can become a volume adhesive tape for reeling one (for example a straight-bar or a hollow circular tube or the like), need not to use separate-type paper with the protection mucigel.The safety adhesive tape of easy-to-cut of the present invention is that mucigel is pressed on the anti-glutinous layer when reeling, the anti-glutinous effect of this anti-glutinous layer tool, and it has the function of similar separate-type paper, can protect mucigel can separate with mucigel easily again.So when desire is used, promptly can use as long as directly the adhesive tape of one section suitable length is torn, and the rubbish of no-off paper needs to handle.The more important thing is, adhesive tape of the present invention by hard resin layer adjust the structure rerum natura (with low elongation with reduce rupture strength) characteristic that therefore has easy cutting, easily tear, and more convenient human consumer uses, also because easy-to-cut and safer.

For being easy to explanation, the present invention elaborates with following preferred embodiment and accompanying drawing.

Description of drawings

Fig. 1 is the structural representation of a preferred embodiment of the present invention (transparent type safety adhesive tape).

Fig. 2 is another preferred embodiment of the present invention (a transparent type safety adhesive tape).

Embodiment

Structure of the present invention sees also Fig. 1, is a transparent type safety adhesive tape embodiment of the present invention, mainly comprise a hypothallus 10, a hard resin layer 20, a mucigel 30, with an anti-glutinous layer 40.

Hypothallus 10 has a upper surface 11 and a bottom surface 12, and hard resin layer 20 is coated the upper surface 11 of this hypothallus 10, and mucigel 30 is coated the bottom surface 12 of this hypothallus 10, and anti-glutinous layer 40 is coated on the surface 21 of this hard resin layer 20.

See also Fig. 2, be the present invention another write type safety adhesive tape embodiment, its also have a hypothallus 10, a hard resin layer 20, a mucigel 30, with an anti-glutinous layer 40, but increase one deck printing writing layer 50.This printing writing layer 50 is to be located between this hard resin layer 20 and the anti-glutinous layer 40.

Embodiment 1. (manufacturing of transparent type safety adhesive tape)

About the manufacturing of Fig. 1 transparent type safety adhesive tape, be polyester film with the about 0.025mm of thickness as hypothallus, in the acryl resin thin layer of the about 0.01mm of upper surface coating thickness of this hypothallus as hard resin layer.Cured as anti-glutinous layer in the surface-coated lower molecular weight of this hard resin layer, the amount of coating is about 0.1gm/m ²Now in the about 0.01mm water-based of the bottom surface coating thickness acryl viscose thin layer of this hypothallus as mucigel.

Embodiment 2. (writing the manufacturing of type safety adhesive tape)

Repeat the step of embodiment 1, but increase one deck printing writing layer.This printing writing layer is to be located between this hard resin layer and the anti-glutinous layer.This prints luxuriant writing layer is the thin layer that mixture constituted for acryl resin and lime carbonate, and wherein the weight ratio of acryl resin and lime carbonate is about 100: 1.The thickness of this printing writing layer is about 0.01mm.

Comparative example 1. (manufacturing of known transparent type safety adhesive tape)

Repeat the step of embodiment 1, but reduce hard resin layer.That is as hypothallus, it is cured as anti-glutinous layer to apply lower molecular weight in the upper surface of this hypothallus with the polyester film of the about 0.025mm of thickness, and the amount of coating is about 0.1gm/m ²Now in the about 0.01mm water-based of the bottom surface coating thickness acryl viscose thin layer of this hypothallus as mucigel.

The difference of the adhesive tape of above-mentioned known comparative example 1 adhesive tape and the embodiment of the invention 1 is that the adhesive tape of the embodiment of the invention 1 has increased one deck hard resin layer.The unit elongation and rupture strength such as the following table 1 that compare both after tested.

Table 1

Adhesive tape	Unit elongation (%)	Rupture strength (kg/mm)
Adhesive tape	Unit elongation (%)	Rupture strength (kg/mm)	Comparative example 1	?110	?12
Embodiment 1	?40	?5	Comparative example 1	?110	?12

Table 1 shows that the adhesive tape unit elongation of the embodiment of the invention 1 and rupture strength are all far below the adhesive tape of known comparative example 1.So the adhesive tape of the embodiment of the invention 1 has increased the result of one deck hard resin layer, the characteristic of have easy cutting, easily tearing.The obvious more convenient cutting of adhesive tape of the present invention or tear, the human consumer uses safer more convenient.

The above only is embodiment, all partial changes or modification, and come from technological thought of the present invention and be familiar with this technology personnel were easy to know by inference, all do not break away from patent right category of the present invention.

Claims

1. A safety tape that is easy to cut off and take, comprising:

A base layer, which has an upper surface and a lower bottom surface, the base layer is a film selected from polyester film, biaxially stretched polypropylene film or polyvinyl chloride film, and its thickness is between 0.008mm and 0.08mm between;

A hard resin layer, coated on the upper surface of the base layer, the hard resin layer is a thin layer selected from at least one of the group consisting of acrylic resin, polystyrene resin, and polyurethane resin , the thickness of which is between 0.002mm and 0.04mm;

An adhesive layer, coated on the lower surface of the base layer, the adhesive layer is a thin layer selected from water-based acrylic adhesive, oil-based acrylic adhesive or thermal adhesive, the adhesive the thickness of the layer is between 0.001 mm and 0.03 mm; and

An anti-adhesive layer, coated on the surface of the hard resin layer, the anti-adhesive layer is a thin layer selected from silicone resin or low molecular weight wax, and the amount of coating is between 0.0002gm/m ² to 20.0 Between gm/ ^m2 .

2 . The safety tape according to claim 1 , wherein the base layer is a polyester film with a thickness ranging from 0.01 mm to 0.05 mm.

3 . The safety tape as claimed in claim 1 , wherein the hard resin layer is a thin acrylic resin layer with a thickness ranging from 0.004 mm to 0.02 mm. 4 .

4 . The safety tape as claimed in claim 1 , wherein the adhesive layer is a thin water-based acrylic adhesive layer with a thickness between 0.005 mm and 0.01 mm.

5. The security tape according to claim 1, wherein the anti-adhesive layer is a thin layer of low molecular weight wax, and the coating amount is between 0.002gm/m ² and 2.00gm/m ² between.

6. The safety tape according to claim 1, wherein a printing and writing layer is sandwiched between the hard resin layer and the anti-adhesive layer, the printing and writing layer is a thin layer composed of a resin mixture, and the resin The mixture is made by mixing resin and additives, the resin is at least one selected from acrylic resin, polyurethane resin and epoxy resin, and the additive is selected from calcium carbonate, silica gel and titanium dioxide For at least one of the groups, the mixing ratio of the resin and the additive is about 1,000:1 to 10:1, and the thickness of the printing and writing layer is between 0.0001mm and 0.05mm.

7. The safety tape according to claim 6, wherein the resin mixture is composed of acrylic resin and calcium carbonate, and the mixing ratio of resin and additive is between 100:1 and 20:1, The thickness of the printing writing layer is between 0.001mm and 0.01mm.