High-viscosity extrusion forming agent

A molding agent and high-viscosity technology, which is applied in the field of high-viscosity extrusion molding agents, can solve the problems of dry cracks and low product qualification rate, achieve good shape-dimensional performance, shorten production cycle, and improve product qualification rate.

Active Publication Date: 2012-10-10
XIAMEN TUNGSTEN
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

During the rapid drying process, the extruded billet extruded by this forming agent is affected by the violent volatilization of the

Method used

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  • High-viscosity extrusion forming agent
  • High-viscosity extrusion forming agent

Examples

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Embodiment Construction

[0019] The following are examples of the present invention (forming agents of different proportions), and the beneficial effects of this forming agent applied to cemented carbide extrusion production compared with the prior art, see Table 1.

[0020] Table 1

[0021]

[0022] Compared with conventional molding agent rods, the shade-drying time of rods extruded by using the high-viscosity extrusion molding agent of the present invention is shortened by 35% on average, and the qualification rate is roughly equivalent to that of paraffin wax molding agent technology.

[0023] Table 2 lists the production cycle comparison between the paraffin molding agent process and the high-viscosity molding agent rod blank for several common sizes of YG10X brand products.

[0024] Table 2

[0025]

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PUM

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Abstract

The invention discloses a high-viscosity extrusion forming agent, comprising the following ingredients: 15-20 wt% of rosin modified resin, 10-15 wt% of paraffin No.58, 20-25 wt% of paraffin No.43, 25-30 wt% of paraffin oil, 5-10 wt% of dibutyl phthalate (DBP), 1-5 wt% of coconut amine, and 5-10 wt% of oleamide. According to the invention, extrusion billets can be prevented from cracking in the quick drying process, the extruded billets can be guaranteed to have good shape retention, and the qualified rate of the products is raised.

Description

technical field [0001] The invention relates to a high-viscosity extrusion molding agent. Background technique [0002] At present, the cemented carbide extrusion molding agent mainly adopts the paraffin (solvent-containing) process system. The viscosity of paraffin wax itself is low, and the paraffin wax (solvent-containing) extrusion molding agent process contains a certain amount of oil components. During the rapid drying process, the extruded billet extruded by this forming agent process is affected by the violent volatilization of the solvent and the low viscosity of the paraffin itself, which easily causes drying cracks, resulting in a low product qualification rate. [0003] In view of this, the inventor improves the existing cemented carbide extrusion molding agent, and this case arises from it. Contents of the invention [0004] The purpose of the present invention is to provide a high-viscosity extrusion molding agent to prevent the compact from drying and crac...

Claims

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Application Information

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IPC IPC(8): C22C1/04
Inventor 吴冲浒文晓肖满斗孙宝琦谢海唯项忠楠郑爱钦谢颖
Owner XIAMEN TUNGSTEN
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