JPS6312465A - Projected sheet - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is applicable to the packaging of vegetables, fruits, fish, and other drugs and precision instruments;
The present invention relates to protruding sheets used as materials for clothing, bedding, cushions, heat insulating materials, and building materials.

[Prior Art] Plastic protrusion sheets having a large number of irregularities on the surface and closed cell protrusion sheets made of plastic having a large number of mutually independent protrusion-like air chambers have been known and are not in public use. ing.

These conventional ordinary protrusion sheets and closed cell protrusion sheets were used as they were manufactured using plastic, so although they had a cushioning effect, they did not have many functions including deodorizing and antibacterial functions. It had no functionality.

In addition, in order to provide this multifunctionality, attempts have been made to incorporate medicinal agents directly into the raw film or closed cell protrusion sheet when processing them, but in this case, The medicinal agent was evenly exuded from the outer surface such as the tip of the protrusion.

In addition, there are limits to the types of medicinal agents that can withstand the temperature and shear stress experienced during kneading, so it is unavoidable to use medicinal agents by spraying or coating them on ordinary protrusion sheets, closed cell protrusion sheets, etc. This was also attempted.

[Problems to be solved by the invention] When kneading or spraying the above medicinal agent,
In either case, the medicinal agent is uniformly present on the entire outer surface of the protrusion sheet, so the medicinal agent does not become sticky on the hands or
It has the disadvantage that it comes into direct contact with the packaged items, causing them to become colored or stained. Therefore, none of them have been put into practical use.

[Means for solving the problems] In the present invention, in order to solve these problems,
Medicinal agents such as deodorizers, fragrances, and antibacterial agents were attached to only the four parts of the protrusion sheet.

[Effect] Medicinal agents such as deodorizers and fragrances are attached to the four parts of the protrusion sheet, so it not only has a cushioning effect, but also has the effect of the medicinal agent itself due to the action of the deodorizer and other medicinal agents. Demonstrated.

In addition, since the medicinal agent was attached only to the four parts of the protrusion sheet, the medicinal agent was not sealed to other parts such as the protrusions and flat parts, which may cause stickiness on hands or damage to packaged items. It can be used with confidence without coloring or staining.

[Examples] Next, the present invention will be explained in more detail with reference to examples shown in the drawings.

FIG. 1 shows a protrusion sheet 3 made of plastic acid or paper, which has a large number of four parts 1 and convex parts 2 which are protrusions. The medicinal agent 4 is attached to all or part of the four parts 1 of the protrusion sheet 3, particularly to the bottom of the four parts 1.

Figure 2 shows 1, for example, polyethylene, polypropylene,
A cap film 6 having many irregularities is tightly adhered to a flat base film 5 made of polyvinyl chloride resin or other thermoplastic resin film, and an independent film is formed to have a large number of independent protruding air chambers 7. The medicinal agent 4 is attached to all or part of the concave bottom portion 9 of the closed cell projection sheet 8, which is the cell projection sheet 8. Note that the gate bottom 9 refers to the adjacent protruding air chambers 7 fli
Refers to the concave part of t.

In FIG. 3, a protruding air chamber 7 of a closed cell protruding sheet 8 is shown.
A multilayer sheet 11 is shown on the side, in which a perforated sheet 10 made of a thermoplastic resin film or a perforated material such as perforated cloth is adhered. In this case, the concave bottom part 9 of the closed cell projection sheet 8 is in a state as if sealed with a perforated sheet 10, etc., but the concave bottom part 9 also has
A medicinal agent 4 is attached and provided.

FIG. 4 shows a bag 1 formed with the air chamber 7 side of the closed cell protrusion sheet 8 to which the medicinal agent 4 shown in FIG. 2 is attached.
2 is shown. FIG. 5 shows a multilayer sheet 11 consisting of a perforated sheet 10 to which the medicinal agent 4 shown in FIG. The formed bag 13 is shown. 14 is the hand-carrying part.

Note that as the material of the closed cell protrusion sheet 8, a film made of thermoplastic resin such as polyethylene was shown earlier;
This is made of polyamide etc. for added strength.
It may also be a multilayer composite film with added gas barrier properties. However, in this case, the inner layer or intermediate layer may be e.g.
Materials with low gas permeability, such as polyvinylidene chloride resin and ethylene chain acid vinyl saponified resin,
The surface having bubbles is preferably made of polyamide, polyethylene, or polyvinyl chloride resin. Further, a combination of high density polyethylene resin, near low density polyethylene resin, etc. can also be used.

The medicinal agent 4 is in the form of a liquid, a paste, or a liquid that evaporates to dryness when used.
It may be in any form such as powder. When the medicinal agent 4 is attached to the four parts 1 or the concave bottom part 9, it may be done by any means such as coating, printing, adhesion, or adhesive.

Medicinal agents or medicinal bases include deodorizers, deodorants, fragrances or fragrance ingredients, bacteriostatic agents, physiologically active agents, oxidizing agents,
Reducing agents, flame retardants, moisture absorbers, pigments.

Using dyes, inks, etc. Alternatively, not only these alone but also a blend or mixture of multiple types can be used.

In addition, for example, the following can be mentioned as a deodorizing agent or a deodorizing agent.

(1) Sensory deodorizers (masking and neutralizing effects): Air fresheners, camphor oil, eucalyptus oil (2) Chemical deodorizers Compositions consisting of ferrous sulfate and acid clay From ferrous sulfate and sodium bicarbonate Chemically active composition containing divalent iron ions (3) Physicochemical deodorizer: activated carbon treated with acid or alkali (4) Physical deodorizer: porous surface material (activated carbon, Oride.

(silica gel) Surfactants (5) Biological deodorizers with bactericidal activity (reverse soap 9 ampholytic active agents) Enzymatic agents (a) Microbial secreted enzymes (product names: Daigo, Hello, Psyche) (B) ) Huminchu colloidal micelles (c) Tenkakozo: Transition metals (Fe, Cu.

(Mn, etc.) complexes (e.g., fS-phthalocyanine tetracarboxylic acid surrounded by protein).Also, when forming the projection sheet and attaching the medicinal agent 4,
Do it in the following manner and order.

(+) The flat surface of the vacuum-suctioned embossed cylinder is treated with silicone or the like to make it inert (high surface tension), and the medicinal agent is attached to this surface.

At this time, the material state of the sealant containing the medicinal agent is solution-like,
Emulsion-like, ink-like.

It may be in any paste form, but it must have tackiness or adhesive properties.

(2) Next, a relatively active (low surface tension) film softened by heating is supplied to an embossing cylinder.

(3) Next, this film is brought into close contact with the cavity of the embossing cylinder by suction.

Furthermore, when forming the sheet with closed cell projections 8, steps (4) and subsequent steps are carried out using a conventional known method, for example, Japanese Patent Publication No. 38
It is molded by the method described in Japanese Patent Publication No. 330 and Japanese Patent Publication No. 45-40795.

That is, the base film is fused, the formed closed cell projection sheet is peeled off from the embossed cylinder, and the sheet is taken up and rolled up.

When peeled off from this embossed cylinder, the medicinal agent has been transferred to the product side (four parts).

Note that it is also possible to first apply only the adhesive to the bottom of the recess, and then spray and adhere the medicinal agent in a later step.

In FIG. 6, a medicinal agent 4 is placed in the concave bottom 9 of the closed cell projection sheet 8.
This shows the equipment used for attaching.

In FIG. 6, the embossing cylinder 15 has a large number of four parts 16 on its circumferential surface, and a vacuum passage 17 that passes through the bottom surface of the recessed part 16 and allows vacuum to be drawn from the inside of the embossing cylinder 15. Below the embossing cylinder 15,
There is a container 18 containing a liquid medicinal agent 4, and this medicinal agent 4
is the embossing cylinder 1 due to the action of the rotating roll 19.
It can be attached only to the circumferential surface of 5.

20 is a sheet that becomes the cap film 6, and the cap film 6 is formed by embossing and heating from the outside.
When this happens, the embossing cylinder 1 is placed only on the concave bottom 9.
The medicinal agent 4 on the surface of 5 is attached in a transferred state. after that,
The base film 5 is integrated with the cap film 6 by the action of the roll 21 and the action of heat, and a closed cell projection sheet 8 is obtained. In the figure, arrows indicate the moving direction and rotating direction of each part.

The protruding sheet 3゜8 to which these medicinal agents are attached can be used for packaging foods such as vegetables and fruits and fish, precision machinery, clothing, bedding, cushioning materials, insulation materials, and bags. It can also be used as an applied product that has been rejected by others.

[Effects] The protrusion sheet to which the medicinal agent of the present invention is attached has the following effects.

In other words, the atmosphere at the bottom of the concave between the image parts (or bubbles) is
Due to the action of the medicinal agent sealed in its concave bottom, it is clean, active, hygienic, or aromatic. In addition, because the causative substances are attached to the four parts, they do not come into direct contact with external objects, so there is no unnecessary wear or deterioration, and when used externally, for example as a packaging material, You don't touch things and make them dirty.

[Brief explanation of the drawing]

1 to 5 are longitudinal cross-sectional views showing different embodiments of the present invention, and FIG. 6 is a cross-sectional view showing one embodiment of the closed cell projection sheet manufacturing apparatus shown in FIG. 2. 1... Concavity, 3... Protrusion sheet, 4
... Medicinal agent, 7. Air chamber, 8. Closed cell projection sheet, 9. Concave bottom, 1o. Perforated sheet.
11...Multilayer sheet, 12.13...Bag, 15
... Embossed cylinder, 18... Container for medicinal substances, 19.21... Roll.

Claims (1)

[Claims] A protrusion sheet with medicinal agents attached only to the concave portions.