JPS58167454A - Metallized glass fiber - Google Patents

Abstract

PURPOSE:To reinforce a molded article of a resin in which prepared glass fibers are used, to improve electromagnetic shielding and the effect of thermal conductivity, by covering partially the surfaces of glass fibers with a metal member with a proper thickness. CONSTITUTION:The glass fiber 1 having 3-60mu is covered wholly or partially in the direction of circumference with a metallic substance with 0.1-10mu thickness. The metallized glass fibers thus obtained can provide a molded article of a resin with electromagnetic shielding effect and the effect of thermal conductivity by the same processing method as that of a molded article of an existing glass fiber-reinforced resin.

Description

[Detailed Description of the Invention] This invention company relates to a special glass fiber that can be cut to an appropriate length and used in combination with resin molded products to strengthen the molded product and provide electromagnetic shielding and thermal conductivity effects. It is.

? J In conventional resin molded products, as shown in Fig. 1, glass fiber material 1 was simply used for reinforcement.

Conventional technology involves cutting glass fibers into small pieces and mixing them into resin molded products, or simply weaving glass fibers into mats and impregnating them with resin and using them as resin molded products. There were no thermal conductive properties.

In resin molded products that require electromagnetic shielding properties, a metal-saving plate is often molded into the resin, metal is vapor-deposited on the surface of the I# resin molded product, or a thin plate is bonded to the resin molded product.

For example, if a conventional resin molded product were used in the case of an electronic device, the shielding effect against the magnetic field generated by the device or the intrusion from the outside, and the ability to dissipate heat, would hardly be expected. There wasn't. Also, the above case t-constitute'
There has been a problem in that it is difficult to mold a metal plate into a resin molded product, or to mold a metal by vapor deposition or bonding unless the shape to be molded is a simple one such as a flat plate.

This invention aims to improve shielding effectiveness and heat dispersion by metallizing glass fibers in order to overcome the above-mentioned conventional drawbacks.

To provide a metallized glass fiber that can be processed by molding and molding even if the shape is somewhat complicated.

Embodiments of the present invention will be described below based on the drawings.

The one shown in Figure 2 is made of glass fiber (1) in order to improve the electrical conductivity of glass fiber in 11 resin molded products etc.
Metal material (2) with a thickness of 0.1 to 5 ps in the entire circumferential direction of
It is covered with

As a means of rounding this glass fiber to cover it with a metal substance, 1
For example, after depositing a metal substance on glass fiber,
There are methods such as cutting the glass fibers on which the metal substance is vapor-deposited into chops, or scattering the chopped glass fibers appropriately and vapor-depositing the metal substance all at once. Also.

Alternatively, a metal substance can be provided on the surface of the glass fiber by placing powder of the metal substance on the glass fiber wetted with a binder or the like.

The fibers according to the present invention are generally used for resin molded products, but when used for reinforcing resin molded products, the reinforcing fibers themselves may become unnecessarily large, causing the resin to become too large. Although it is undesirable because it imposes restrictions on the shape of the molded product, for glass fibers of 3 to 60 microns, a metal material with an average thickness of 0.1 to 5 microns may be used to partially cover the surface of the glass fibers. It is suitable if it covers.

Especially as a rounding process that covers part of one surface.

For example, in the step of manufacturing glass fibers, a metal substance may be sprayed from one direction onto the continuously manufactured glass fibers, and this can be done by adding a simple processing step.

If a resin molded product, such as a mat-like weave, is used uniformly throughout the case of an electronic device, the metal part of the glass fiber will act as a metal plate, and will reduce the magnetic field. It can provide shielding and heat conduction effects.

As described above, the metallized glass fiber of this invention can produce magnetic field shielding effects and heat conduction effects using the same processing methods as conventional glass fiber-containing resin molded products, so we hope that these effects will be achieved. Figure 2 is a cross-sectional view showing that it is inexpensive and does not require the processing time of molding a plate in resin or depositing or adhering metal on the resin surface. FIG. 1 is a cross-sectional view showing an example of glass fiber.

FIG. 3 is a diametrical cross-sectional view of the nine-metallized glass fiber shown in FIG. 2;

In the figure, (1) is glass fiber and (2) is a metal substance.

Note that the same reference numerals in each figure indicate the same or corresponding parts.

Agent Makoto Kuzuno - Figure 1/ Figure 2 Figure 3 continuation correction δ (voluntary) Showa 57fl'-10Jf19 [1 retention 1) length'1
J-dono+, IG matter front small Tokugansho 6-495
Iffi No. 2, Title of the invention Metallized glass delicate: U, Supplementary IE 4-6, Claims of the specification to be amended, Column 6 of the detailed description of the invention, Contents of the amendment ( 1) Correct the claims in the specification as shown in the attached sheet.

(The words "0.1-5" on page 8, line 8 and page 4, line 2 of the 2nd specification are corrected to "0.1-10."

What is claimed above: A metallized glass fiber characterized in that a part of the surface of a glass fiber having a diameter of 8 to 60 tons is covered with a metal member having an average thickness of 0.1 to 2 tons.

Claims (1)

[Claims] A metallized glass fiber characterized in that a part of the surface of a glass fiber having a diameter of 3 to 60 micrometers is covered with a metal member having an average thickness of 0.1 to 5 micrometers.