JPS6323095Y2 - - Google Patents

Description

[Detailed description of the invention] In this invention, one end of the fiber rod is immersed in a liquid fragrance, and the liquid level rises due to capillary action, allowing the fragrance to evaporate from the other end and periphery exposed to the atmosphere. This invention relates to a fiber rod for volatilizing aromatic liquid.

a. Prior Art There are four types of methods conventionally used to diffuse fragrance into a room. In other words, methods using solid fragrances have advantages such as being easy to handle, leaving little residue and not leaking even when tipped over, but there are restrictions on the fragrances that can be added due to the presence of excipient components, and there are restrictions on the fragrance format. Since it utilizes the sublimation properties of its constituents, it has the disadvantage that it deforms during use, resulting in a decrease in surface area and the gradual weakening of the fragrance. Also,
Methods using gel fragrances tend to dilute the fragrance and form a non-volatile film because the volatilization rate of the fragrance from the surface exposed to the air does not match the diffusion rate of the aroma components inside the gel. The disadvantage is that the strength is not stable. There is also a method of volatilizing the fragrance by spraying or dropping an aerosol or liquid, but although this method is economical and can be used only when necessary, the duration of the fragrance is short and the intensity of the fragrance is extremely variable. This is a drawback. There is also a method in which the liquid is sucked up through capillary tubes to volatilize the fragrance, but this method involves dipping one end of a laminated layer of felt, sponge, or pulp into a liquid fragrance, and releasing the fragrance from the part exposed to the atmosphere. However, with the current materials, not only do they not absorb enough fragrance, but they also do not volatilize the fragrance satisfactorily.

b. Problems to be solved by the invention As mentioned above, in the conventional methods, it has been difficult to provide a stable supply of aroma volatilization at a constant strength over a long period of time. The inventor first discovered that a molded body made of a fiber aggregate obtained by joining fiber surfaces at multiple points has excellent properties in retaining liquid impregnation and gradually releasing volatile substances in fixed amounts. A molded article made of such a fiber aggregate for which a patent application has been filed (Japanese Patent Laid-Open No. 143551/1983) has a large void ratio and a small fiber interval, and is better at absorbing liquid. The present invention is intended to solve the problems encountered when a fragrance is volatilized using the above-mentioned fiber aggregate or a molded article having the same performance as the above-mentioned fiber aggregate. That is, the molded fiber aggregate is rod-shaped, and when the rod is attached to a container, the ends of the rod are easily destroyed, and in many cases, it is necessary to wrap the ends with paper to prevent the ends from being destroyed. . However, when ordinary paper made from pulp is used, wrapping paper has the disadvantage that when the fiber rod is wetted with aromatic liquid, it becomes instantly wet and can be torn by a slight external force. Another drawback is that it has poor air permeability, which tends to prevent the aromatic liquid from evaporating from the fiber bundle into the atmosphere. In order to solve the above-mentioned problems, this project was developed as a result of comparative studies of various paper materials with the aim of wrapping fiber bundles with wrapping paper that has high wet strength and excellent air permeability. We have found a wrapping paper material that is suitable for production, has a uniform aroma that is excellent in terms of product use, is sufficiently volatilized, and exhibits stable performance over a long period of time.

c. Structure of the device A fiber rod in which a fiber bundle is wrapped in a wrapping paper for the purpose of volatilizing aromatic components into the atmosphere, and the wrapping paper contains 20% by weight or more of bast fibers,
A fiber rod for volatilizing aromatic liquid, characterized by being a mixed paper with an air permeability in the range of 30 to 300, consisting of a fiber mixture consisting of 20% by weight or more of rayon cloth and 10 to 40% by weight of each of pulp and polyolefin fibers. be.

The fiber layer used in the fiber rod includes a molded fiber aggregate in which the surfaces of the fibers are joined at a large number of points to form a three-dimensional network structure, and a fiber layer made of short fibers in the form of slivers. Acetate fiber is an excellent type of fiber. Specifically, for example, Japanese Patent Application Laid-Open No. 57-
A fiber sheet obtained by folding and laminating substantially long continuous fibers as described in 161152 and cut into rod shapes, or obtained by a method of manufacturing a sliver into rod shapes as described in Japanese Patent Publication No. 38-15946. Fiber assemblies obtained from substantially long continuous filament tows made by known methods for making tobacco smoke filters.

The outer periphery of the fiber layer is wrapped with wrapping paper, and it is desirable that the wrapping paper has excellent wet strength and air permeability.

The wrapping paper of the present invention is a mixed paper whose constituent components are bast fiber, pulp, rayon cloth, and polyolefin fiber.

The bast fiber used in the wrapping paper of the present invention can be made of hemp, flax, ramie, paper mulberry, etc., but the fiber length,
Flax fiber is preferable in terms of properties such as fiber thickness. Bast fibers are necessary to increase wet strength. Usually, 20% by weight or more is necessary, and less is not preferable because the wet strength decreases.

Rayon fabric is made by cutting fibers of 0.5 to 3 denier into lengths of 3 to 10 m/m, and usually contains about 20% by weight or more. Addition of rayon cloth tends to improve air permeability.

Pulp with a relatively long fiber length obtained from softwood is used to give better results in terms of wet strength and air permeability.
Use weight percent. Although it is advantageous in terms of cost if a large amount is mixed, it is unfavorable in terms of quality.

Polyolefin fiber has the same fiber specifications and additive weight percentage as rayon fiber, i.e., fineness 0.5 to 3 denier, cut length 3 to 10 m/m, and additive amount 10 to 40.
% by weight is preferred. As the fibers, polyethylene fibers and polypropylene fibers can be used. By utilizing the thermoplasticity of the fibers, it becomes possible to heat-seal mixed paper. It is also possible to bond the fibers with other fibers by passing the mixed paper through a heating roll heated to a temperature higher than the melting point of the polyolefin fibers added and mixed therein. By performing such heat treatment processing, it is also possible to further increase the wet strength of the mixed paper.

d. Examples Next, the present invention will be explained in more detail, but it is not limited thereto unless the gist of the invention is changed.

The fiber aggregate that makes up the fiber rod has a fineness of 4 denier and a total fineness of 43000 denier, 25m/m.
Tow-shaped acetate fibers with 20 uniform crimps in length are widened and opened, then bundled into a cylinder shape, wrapped with wrapping paper, and the ends are overlapped. The part is closed by heat sealing and then cut to a predetermined length. The wrapping paper is made of 30% flax fiber by weight, rayon soft (fineness 2 denier, fiber length 5)
m/m) 30% by weight, softwood pulp (average fiber length
3.5m/m) and 20% by weight of polypropylene fiber (2 denier fiber length 5m/m)
The composition of the paper was adjusted to give an air permeability of 110. The fragrance produced from the obtained fiber rod was good and could emit stable fragrance over a long period of time.

The permeability of this invention is 30 m/m of water poured on both sides of the paper.
It is a value expressed in cubic centimeters that measures the amount of air at 20°C and 65% H that passes per second per square centimeter of paper area when a pressure difference of . The higher the air permeability value, the greater the amount of air passing through.

FIG. 1A shows a fiber rod 1 for volatilizing an aromatic liquid, which is manufactured by winding the above-described fiber aggregate 2 with wrapping paper 3 and heat-sealing the overlapped portion 4.
Figure 1(b) shows a fiber aggregate formed into a prismatic shape using the same apparatus as in (a).

The square shape can also be manufactured by cutting a fiber sheet and wrapping it in wrapping paper.

FIG. 2 shows an example of a longitudinal cross-sectional view of a fragrance product made using the fiber rod shown in FIG.

The container 12 filled with the aromatic liquid 11 holds the fiber rod 1 at its neck through the insertion port 10 as shown in the figure, and has a removable perforated lid 13 at its shoulder that allows the fragrance to diffuse into the room through the ventilation hole 14. have The aromatic liquid 11 rises up the fiber rod 1, evaporates from the surface of the fiber rod located at the upper part through the insertion port 10, and provides fragrance into the room from the ventilation hole 14 as shown by the arrow. FIG. 3 is a system diagram of an apparatus for measuring the air permeability of wrapping paper used in the present invention.

The wrapping paper 21 whose air permeability is to be measured is placed on the sample holder 22, and one end of the squeeze hole is connected to a graduated glass tube manometer 23 to reduce the pressure on one side of the wrapping paper.
and a water tank 24, and the other end is connected to a suction pump 27 via a passing air amount adjustment valve 25 and an air flow meter 26.

The measurement method is to complete the above preparations, operate the suction pump 27, and exhaust the air in the system.
The water column height of the manometer 23 is adjusted with the valve 25 so that it is 30 m/m above the water surface, and the air flow rate (cubic cm/sec) at that time is read with the flow meter 26.

Air permeability is the amount of air in the area of wrapping paper 21 (cm2)
It is expressed by the quotient obtained by dividing by.

[Brief explanation of the drawing]

Figure 1 is an explanatory diagram of the fiber rod according to the present invention.
A indicates a cylindrical shape, and B indicates a prismatic shape. FIG. 2 is a longitudinal cross-sectional view of an example of a product in which an aromatic agent is volatilized using the fiber rod of the present invention. 1 is a fiber rod for volatilizing aromatic liquid, 2 is a fiber aggregate, 3 is wrapping paper, 4 is a part for heating the wrapping paper, 10 is a fiber rod insertion opening, 11 is an aromatic liquid, 12 is an aromatic liquid container, 13 1 is a perforated lid, and 14 is a ventilation hole. The arrows in the figure indicate the path of the aroma. FIG. 3 is a system diagram of an apparatus for measuring the air permeability of wrapping paper. 21 is a test sample, 2 is a sample holder, 23 is a water column manometer, 24 is a water tank, 25
26 is an air flow meter, and 27 is a suction pump.

Claims (1)

[Scope of utility model registration request] A fiber rod in which a fiber bundle whose purpose is to volatilize aromatic components into the atmosphere is wrapped in a wrapping paper, and the wrapping paper contains bast fibers in an amount of 20% by weight or more,
A fiber rod for volatilizing an aromatic liquid, characterized in that it is a mixed paper having an air permeability in the range of 30 to 300, comprising a fiber mixture consisting of 20% by weight or more of rayon cloth and 10 to 40% by weight of each of pulp and polyolefin fibers.