JPH0343207A - Molding pellet - Google Patents

Abstract

PURPOSE:To obtain a synthetic resin molded article having moisture permeability, absorptivity, nonelectrification and enriched with water resistance, durability, fungus resistance by manufacturing in mixing at a specific percent by weight mixed powders in which silk powders and natural hide powders are added to a synthetic resin material. CONSTITUTION:Mixed powders in which silk powders and natural hide powders are added to a synthetic resin material are mixed with resin at 10-80% by weight, and made into pellets. As the silk powders and natural hide powders added to the synthetic resin material, the silk powders are being mixed with spiral ones and free fine grains in its granular configurations. The spiral silk powders interwine with one another like as net meshes, and the fine grains of the free silk powders and natural hide powders come into the skin film of the resin together therewith and dispersed in the form of being embraced thereinto, as a result, they can be uniform and increased in its mixing rate, thereby forming a resin molded article having less the rate of frailty. The molded article molded with mixed resin pellets has excellent solidity, soft feelings and senses as well as excellent electrostatic resistance, moisture permeability, absorptivity, or the like.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention is directed to a molding pellet for producing a synthetic resin tL type product.

(Prior Art) In the case of molded products using only synthetic wood finger materials, the luster lacks depth and its functionality, that is, water absorption, is absent, resulting in frequent troubles due to electrostatically charged static air.

In order to try to overcome this drawback to some extent, various materials have been devised and used as fillers for resins. In particular, in response to the recent trend toward higher quality products, molded products with a leather look have become sought after, and attempts have been made to mix natural leather powder into resin. (Unexamined Japanese Patent Publication No. 63-11311
Such).

(Problems to be Solved by the Invention) However, conventional molding pellets have not yet been sufficient in terms of color tone, moisture permeability, water absorption, non-static properties, bacteriostatic properties, and durability.

(Means for Solving the Problems) The characteristic means of the present invention is to prepare a mixed powder obtained by adding silk powder and natural leather powder to a synthetic resin material with an insect ratio of 10 to 80.
% is mixed with resin and made into pellets, and its function is as follows.

(Function) When silk powder and natural leather powder are added to a synthetic resin material and mixed, the particle shape of the silk powder is microscopically i. When immersed in the resin, the spiral silk powder becomes entangled like paulownia wood, and the amorphous fine particles of silk powder and natural leather powder both enter and are trapped in the resin film. Compared to when silk powder or natural leather powder is mixed alone, these can be mixed uniformly and with more mixed stars, making it possible to form resin molded products with less brittleness. . In other words, if a synthetic resin molded product is made using a resin pellet made by mixing silk powder with natural leather powder according to the present invention and synthetic resin, the silk powder and natural leather powder will be uniformly mixed without agglomeration. The mixture of silk powder and natural leather powder is distributed in a dispersed state, and the mixture of silk powder and natural leather powder is increased to a proportion according to the purpose. It also has moisture permeability, water absorption, etc., which you can admire.

(Effects of the Invention) As described above, if the molding pellet of the present invention is used, it will have a softer gloss and calmer color than conventional products, and will have good moisture permeability.
We can supply synthetic resin molded products that are water absorbent, non-weighable, and highly water resistant, durable, and germ resistant. Furthermore,
Depending on the mixing ratio of silk powder and the amount of natural leather powder added, texture, color tone, static resistance, moisture permeability, water absorption,
You can also change it freely. In other words, when the amount of silk powder mixed in is increased, the characteristics of the mixed silk powder become stronger, and the product becomes more flexible, has a warmer feel, has a deeper color tone, and has better non-static properties, moisture permeability, water absorption, etc. If the proportion of natural leather powder is high, the cool feel of natural leather can be obtained.

(Example> Next, examples will be shown.

The washed silk noil was put into a pressure vessel with a heating jacket, and 3 kg/cj of steam was supplied into the vessel and the jacket at the same time. First, the air in the vessel was replaced with steam, and then the vessel was sealed and heated for about 10 minutes. After the inside of the silk tissue was sufficiently swollen in this way, the outlet of the pressure vessel was opened all at once to cause swelling due to rapid pressure reduction. This was dried until the water content was around 10% and then ground using a media agitation type grinder to obtain silk powder with an average particle size of 15 μm. 5 pieces of natural leather powder with an average particle size of 30 μ■ obtained in the same way as Habo
Pellets were made by mixing 25% of a leather powder mixture in a ratio of 1:1 with 75% of polyethylene resin mixed with a plasticizer and kneading.

When this pellet was put into an inflation molding machine and formed into a film, it was made into a laminate material with a moist and calm color tone, moisture permeability, water absorption, and non-static properties, as well as water resistance, durability, and antibacterial properties. A high quality film was produced that can be used in various applications. In the present invention, conventionally used fillers or additives may be added in order to obtain a synthetic resin molded product with further improved physical properties and functions. In addition, the texture of the surface of the molded product
1) (To save insects, remove a thin layer of resin from the surface by sanding, etc.) as necessary.

[Brief explanation of drawings]

The first fi is an enlarged view of the cut surface of the pellet of Example A. In the diagram 1 is silk powder (spiral shaped) 2 is silk powder (fine powder) 3 is natural leather powder 4 is synthetic resin that's all

Claims (1)

[Claims] 1. A synthetic resin molding pellet produced by mixing 10 to 80% by weight of a mixed powder made by adding silk powder and natural leather powder to a synthetic resin material.