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Manufacturing process of high-buoyancy swimming floating plate

A manufacturing process and buoyancy technology, which is applied in the manufacturing process of high-buoyancy swimming floats, can solve problems such as high cost, low molding efficiency, and weak buoyancy

Pending Publication Date: 2019-11-15
福建嘉怡塑胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a manufacturing process for high-buoyancy swimming buoys to solve the problems of low molding efficiency, high cost and weak buoyancy when forming swimming buoys in the prior art

Method used

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Embodiment Construction

[0014] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific examples.

[0015] The invention relates to a manufacturing process of a high-buoyancy swimming buoy, which adopts the formula: 73.02wt%-81.95wt% of EVA material, 8wt%-11wt% of POE material, 5wt%-7wt% of filler, 0.05wt%-0.08wt% stearic acid, 1.4wt%-1.7wt% zinc oxide, 0.4wt%-0.7wt% crosslinking agent, 2.2wt%-2.5wt% foaming agent and 1wt%- 4wt% masterbatch;

[0016] The mold ratio of the foam molding process is within 1.9-2.2, the temperature of the upper and lower molds of the mold is greater than or equal to 174° C., and the vulcanization time is less than or equal to 450 seconds.

[0017] Preferably, the filler is calcium powder. As a corresponding product shape of the present invention, the high-buoyancy swimming board has a bearing capacity greater than or equal to 35kg.

[0018] In this way, the EVA material, as the...

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Abstract

The invention discloses a manufacturing process of a high-buoyancy swimming floating plate. The formula of the swimming floating plate comprises the following components: 73.02-81.95 wt% of an ethylene-vinyl acetate (EVA) material, 8-11 wt% of a polyolefin elastomer (POE) material, 5-7 wt% of a filler, 0.05-0.08 wt% of stearic acid, 1.4-1.7 wt% of zinc oxide, 0.4-0.7 wt% of a cross-linking agent,2.2-2.5 wt% of a foaming agent and 1-4 wt% of color master batch. The mould rate of the foaming forming process is 1.9-2.2, the upper mould temperature and the lower mould temperature of the mould aremore than or equal to 174 DEG C, and the vulcanization time is less than or equal to 450 seconds. Compared with the prior art, the manufacturing process provided by the invention has the characteristics of high molding efficiency, low cost and large buoyancy.

Description

technical field [0001] The invention relates to the field of making EVA materials, in particular to a manufacturing process of a high-buoyancy swimming buoy. Background technique [0002] Chinese patent document CN204815608U discloses a swimming floating board, which is a utility model patent applied for and obtained by the applicant in 2015, which includes a tapered flat floating board body with a small front end and a large rear end. The floating plate body is located at the front end and is symmetrically provided with a gripping portion. The gripping portion has a protruding portion protruding from the front of the floating plate body and a concave portion recessed on the reverse side of the replica body, and both the convex portion and the concave portion are provided There are anti-skid stripes, and a streamlined arm resting recess is symmetrically arranged on the front of the floating board body, and the arm placing recess extends from the grip part to the rear end of ...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08K13/02C08K5/09C08K3/22C08K3/26C08J9/04
CPCC08J9/0023C08J9/0061C08J9/0066C08J9/0095C08J9/04C08J2323/08C08J2423/08
Inventor 陆猷良
Owner 福建嘉怡塑胶有限公司
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