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Masking material

A technology for engineering plastics and polyamides, applied in coating, transportation and packaging, injection devices, etc., which can solve the problems of full use of polyamides and insufficient compatibility between polyamides and engineering plastics.

Inactive Publication Date: 2005-11-09
NAGOYA OIL CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the engineering plastics such as polyphenylene ether to which polyamide has been added, the compatibility between polyamide and engineering plastics is not sufficient, and the effect of polyamide added for the purpose of improving the moldability of engineering plastics cannot be sufficiently improved. to play

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] 1 to 4 show Embodiment 1 of the present invention. The shielding material 11 of this embodiment is used as a shielding material for a columnar body such as the center pillar 12 of an automobile. Moreover, this shielding material 11 is a body 11A with a U-shaped cross section formed by the fitting portion 11B of the body 12A of the center column 12 formed on the inside, and the lower edges of the side walls 11C and 11C along the body 11A will be The flanges 12B and 12B of the formed center column 12 are fitted with the fitting parts 11D and 11D, and the back support parts 11E and 11E extended from the flange fitting parts 11D and 11D, and the upper part is extended. The upper support portion 11F is composed of reinforcing ribs 11G in the longitudinal direction and reinforcing ribs 11H in the lateral direction (width direction) are formed on the main body 11A.

[0061] The masking material 11 is manufactured by vacuum molding a thin sheet (0.4 mm in thickness) of a polym...

Embodiment 2

[0066] Figure 5 Example 2 of the present invention is shown. The shielding material 21 of this embodiment includes: a body 21A with a U-shaped cross-section formed by the fitting portion 21B of the body 22A of the center column 22 formed on the inside; The flange fitting part 21D, 21D which is fitted to the flange 22B of the center column 22 formed by the edge, and the back support part 21E, 21E extending from the flange fitting part 21D, 21D, and extending The upper supporting part 21F provided on the upper part, the reinforcing rib 21G in the vertical direction and the reinforcing rib 21H in the transverse direction (width direction) are formed around the main body 11A, but this embodiment, which is different from the case of Embodiment 1, makes the reinforcing rib 21G in the longitudinal direction Rib 21G is intermittent.

[0067] The masking material 21 is manufactured by depressurizing and press-molding a thin sheet (0.3 mm in thickness) of a polymer alloy (Xyron, Linex ...

Embodiment 3

[0072] Figure 6 ~ Figure 8 Example 3 of the present invention is shown. Figure 6 33 in the figure is the body of the automobile. When painting, the shielding material 31 of this embodiment is attached to the air intake port 6 of the lower side fender portion 35 of the front bumper 34 . Inside the air inlet 36 of the baffle part 35, vertical and horizontal reinforcement grids 36A, 36B and a pair of left and right pillars 36C are provided. Vertical and horizontal fitting grooves 32A, 32B and fitting groove 32C are formed, a flange 32D is formed on the front peripheral edge, and an adhesive layer 32E is formed around it.

[0073] The masking material 31 is manufactured by vacuum molding a thin sheet (0.2 mm in thickness) of a polymer alloy (Xyron, Linex A0100, manufactured by Asahi Kasei Industries, Ltd.) of PPE and polyamide.

[0074] The shielding material 31 is fitted inside the air suction port 36, the reinforcing grids 36A, 36B of the air suction port 36 are fitted into ...

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Abstract

The object of the present invention is to provide a masking member to protect a prescribed part of an article from coating, wherein said masking member has excellent heat resistance and moldability. As for the materials comprising said masking member (11,21,31,41,51), a polymer alloy, containing an engineering plastic, a polyamide, and a compatibilizer is used. In said polymer alloy, the weight ratio of said engineering plastic to said polyamide is set to be in the range of between 20:80 and 80:20, with said compatibilizer being added in an amount of between 0.01 and 50 parts by weight to 100 parts by weight of the sum of said engineering plastic and said polyamide.

Description

technical field [0001] The invention relates to a masking material, which is used to protect a predetermined position of an object to be painted so that the paint cannot be applied to the predetermined position during painting. Background technique [0002] Conventionally, when painting, a masking material is attached to a portion (shielded portion) of the object to be coated that does not need to be painted. The masking material is heat-treated after painting, the coating film is dried and cured, and removed after fluidity disappears. Therefore, the masking material must be a heat-resistant material in this type of coating project, thereby providing a kind of masking material with good heat resistance, engineering plastics such as polyphenylene ether (for example, referring to Japanese patent Application for Japanese Patent Application Laid-Open No. 5-261323). Masking materials made of engineering plastics can withstand high-temperature heat treatment above 150°C, and can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B15/04B05D7/14C08L21/00C08L53/02C08L71/12C08L77/00C08L77/02C08L77/06C08L101/00
CPCC08L77/02C08L53/02Y10T428/15C08L71/123C08L77/00C08L77/06B05B15/045C08L71/126C08L71/12B05B12/20C08L2666/20C08L2666/22C08J5/18
Inventor 小川正则伊藤邦矩
Owner NAGOYA OIL CHEM CO LTD