JPS63218046A - Daily-need vessels - 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 relates to containers for daily necessities having excellent slip-off prevention properties, and more specifically, to containers having a layer of a gum-based polymer on at least a part of the surface. The present invention relates to containers for daily necessities such as tableware, containers, and trays.

[Conventional technology and its problems]

Currently, containers for daily necessities such as tableware, containers, and trays that are used for group lunches in companies, hospitals, schools, airplanes, and train cafeterias are often used when carrying or eating. There were inconveniences such as the container falling and the container being damaged71), and the container and contents scattering.

In order to solve the above-mentioned problems, molded articles have been known in which a part of the surface of containers for daily necessities is coated with a soft vinyl chloride resin as an anti-slip agent.

However, molded products coated with soft vinyl chloride resin lack abrasion resistance, so they lose their anti-slip properties during use, have poor cleaning resistance and are therefore easily contaminated, and have a heat resistance of about 90%. ℃, and furthermore, the soft vinyl chloride deteriorates when exposed to boiling water, acidic water, alkaline water, etc., and tends to cause problems such as detachment from the molded product, so it could not be used for practical purposes.

In order to solve the above-mentioned problems, the present invention provides a rubber-based polymer layer on at least a part of the surface of everyday necessities containers such as tableware, containers, and trays to prevent them from slipping. In addition, it has excellent wear resistance, heat resistance, boiling resistance, stain resistance, acid resistance, and alkali resistance, so its appearance remains unchanged even after repeated automatic cleaning. The purpose of the present invention is to provide containers for daily necessities that have little change in quality and can withstand long-term use.

Means for Solving Problem C] The present invention provides a layer of rubber-based polymer as an anti-slip agent on at least a part of the surface of containers for daily necessities made of at least one kind of inorganic material and organic material. This invention relates to containers for daily necessities characterized by having the following characteristics:

In the present invention, "containers for daily necessities" refer to containers used daily for household use, as well as for groups such as companies, hospitals, schools, hotels, inns, cafeterias, airplanes, and train cafeterias. Tableware such as bowls, soup bowls, teacups, frags, gekuru, vegetable rolls, dishes, airtight containers, tea cups, seasoning containers;
For example, containers such as bats, Tisci & Gex, Das & Gex, toothbrush holders, soap holders, ashtrays; for example, trays, trays, etc.

The daily necessities containers of the present invention can be particularly suitably used for groups where large quantities are handled at one time.

In the present invention, "inorganic materials" refer to glass, ceramics, metals, etc., and "organic materials" include, for example, polyethylene, polyethylene, polymethylpentene, polystyrene, polyvinyl chloride, acrylic resin, ABS. Resin, ionomer resin 1. ]? Molding materials made of thermoplastic resins such as lipolyester reether, polycargonate, polyamide, and polyurethane; for example, O thermosetting resins such as melamine resin, area resin, phenol resin, epoxy resin, alkyd resin, and unsaturated I reester resin. For example, natural or semi-synthetic cellulosic materials such as wood, paper, and acetate resin.

Among the above-mentioned inorganic materials and organic materials, organic materials are preferred from the viewpoint of breakage resistance, and among these, molding materials made of thermosetting resin are preferred from the viewpoints of heat resistance, surface hardness, etc., and are easy to obtain and moldable. Particularly preferred is an unsaturated polyester resin molding material that is well-balanced in terms of lightness of the product, various physical properties of the molded product, economic efficiency, and the like.

The daily necessities containers of the present invention may be made of any one of the above-mentioned inorganic materials and organic materials, such as glass cogs.

A combination of two or more types may also be used.

The molding methods for the above daily necessities containers are not particularly limited, and inorganic materials include glow molding, cast molding, potter's wheel molding, compression molding, and cast molding; organic materials include blow molding, cast molding, and cast molding. Compression molding, injection molding, transfer molding, etc. can be used.

Examples of rubber-based polymers used as anti-slip agents in the present invention include natural rubber, imprene rubber, butadiene rubber, chloroprene rubber, butadiene styrene, butadiene I acrylonitrile, butadiene methyl methacrylate, butyl rubber, acrylic rubber,
Examples include ethylene/vinyl acetate rubber, ethylene-propylene rubber, polyimbutylene, chlorosulfonated polyethylene, fluorine rubber, silicone rubber, and urethane rubber. Among these, natural rubber, acrylic rubber, fluorine rubber, silicone rubber, and urethane rubber. Rubber is preferred, and urethane is particularly preferred.

In the present invention, a layer of the above-mentioned rubber-based polymer is applied to at least a part of the surface of the above-mentioned daily necessities containers as an anti-slip agent.

Suitable areas to which the film-based polymer layer is applied include surfaces that can come into contact with daily necessities containers and other objects, as shown in Figure 1.
~It is a part as shown in Figure 5, for example, in the case of tableware, the bottom part (Figures 1 and 2), in the case of containers, the bottom and/or outer part (Figures 1 to 3), and in the case of trays, It is preferable to use the top surface only or the top surface and the bottom (FIGS. 4 and 5).

Further, the rubber-based polymer layer may be applied to the entire surface of the above-mentioned daily necessities containers and other surfaces that can come into contact with other objects, or as shown in FIGS. 6 and 8. , it may be applied in the form of streaks, dots or patterns. When it is applied in the form of streaks, dots, or patterns, it should be applied to at least 2% or more, preferably 10%, of the surface that can come into contact with daily necessities containers and other objects.
More preferably 30% or more especially preferably 50% 0%
It is preferable to apply it to 75 inches or more.

Furthermore, the method of applying the rubber-based polymer layer to the daily necessities containers is not particularly limited, and includes a method of adhering the rubber-based polymer layer to the daily necessities containers using an adhesive; A solution or dispersion of the rubber-based polymer is applied to desired locations on the daily necessities containers by coating, printing, dipping, etc., and a layer of the rubber-based polymer is formed by volatilizing the solvent or dispersion medium. Examples include a method for forming it. From the viewpoint of ease of operation, a method using a solution or dispersion of a comb-based polymer is preferred.

Furthermore, in order to improve the adhesion of the adhesive polymer layer to daily necessities containers, it is preferable to use a primer such as polyester.

The thickness of the rubber-based polymer layer used in the present invention is not particularly limited and may be appropriately selected as necessary, but for example, it is generally 1 to 1000 μm, preferably 2 μm.
~500μ, particularly preferably 25-100μ, most preferably 40-80μ.

〔Example〕

Hereinafter, the present invention will be explained in more detail with reference to Examples.

The various tests were conducted using the following methods.

(1) Measurement of angle at which the tip starts to slide down A tip was placed on a tray, the tray was gradually tilted, and the angle of inclination at which the tip started to slide down was measured.

(2) Abrasion resistance Tested according to ASTM D 1044-56.

(3) Heat resistance: Observe the appearance after heating in accordance with JIS K-6911.

(4) Boiling resistance The mixture was boiled at 100°C for 1 week and changes in appearance were observed.

(5) Acid resistance 0, 81 After boiling in H2So4 for 10 minutes, changes in appearance were observed.

(6) Alkali resistance Soaked in 10% NaOH at 50°C for 24 hours and observed changes in appearance.

(7) Stain resistance It was immersed in commercially available soy sauce for 10 minutes, washed with water, and the degree of washing was observed.

Example (1) Preparation of tray with urethane coated
(manufactured by Niyama Kako Co., Ltd.) with sandpaper.
In the afternoon, I'm a polymath stealth type! A 20μ thick layer of limer (product name ``Orefix'' manufactured by Asahipen Co., Ltd.) is coated, and a 60μ coating of thermosetting urethane adhesive (product name ``Flexan'' manufactured by Nippon Depcon Co., Ltd.) is applied. It was heated at 100° C. for 60 minutes to coat with urethane rubber and obtain a tray. From now on, this tray will be used as tray 1.

(2) Preparation of 'IV tongue rubber-applied pot tops of unsaturated polyester pear tops (product name: Ei Chirugutsuzu Yamato Kako Co., Ltd.), which are generally commercially available. Scratch the bottom with sandpaper. In the same manner as in Example AI), a pot to which 50 μm of urethane was applied was obtained.

From now on, I will use this Kotsupu as Kotsugu 1.

Examples The various tests described above were carried out using Tokugawa Tray 1 and Kotogu 1.

The following trays and cogs were used for comparison.

Tray 2: Product name Strong Tray, θMado Kako (c)
Retray 3 = Tray coated with soft vinyl chloride fat [(
Taiwa Co., Ltd.] Kotsugu 2: Product name Hotel Gutsuzu [Yamato Kako Co., Ltd.]
#] The test results are shown in Table 1.

[Brief explanation of the drawing]

1 to 7 are cross-sectional views of typical containers for daily necessities of the present invention, and FIG. 8 is a perspective view of trays to which a rubber-based polymer layer of the present invention is applied in a dotted manner. 1... Rubber-based polymer 2... Fabric diagram for containers for daily necessities 1 Figure 2 Figure 3 Figure 5

Claims (4)

[Claims] (1) At least part of the surface of daily necessities containers made of at least one type of inorganic material and organic material,
Containers for daily necessities characterized by having a layer of rubber-based polymer. (2) The containers for daily necessities described in claim (1), wherein the containers for daily necessities are molded products made of a thermosetting resin molding material. (3) The daily necessities containers described in claim (2), wherein the thermosetting resin molding material is an unsaturated polyester resin molding material. (4) The daily necessities containers according to any one of claims (1) to (3), wherein the rubber-based polymer is urethane rubber.