Column pressing machine used for quality analysis

A form of decentralized technology, applied in the direction of analyzing materials, measuring devices, instruments, etc., can solve the problems of reducing product quality and processing difficulties

Inactive Publication Date: 2010-06-09
LANXESS DEUTDCHLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to said publication, undispersed particles may form in the final solid product due to entrained precipitated particles, which reduces product quality and causes difficulties during further processing
Publication DE 10 2004 048 098 A1 also discloses that undispersed particles reduce the quality of the product

Method used

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  • Column pressing machine used for quality analysis
  • Column pressing machine used for quality analysis
  • Column pressing machine used for quality analysis

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Embodiment Construction

[0024] It is an object of the present invention to provide a method by which the quality of a polymer-bound rubber additive can be reliably tested, and also equipment for carrying out the method.

[0025] For this purpose, a test mixture was produced comprising the polymer-bound rubber additive to be tested and a test masterbatch. The test masterbatch preferably includes one or more rubbers, carbon black, light colored fillers, plasticizer oils, crosslinking activators and / or processing aids. The test mixtures were produced using in particular polymer-bound rubber additives (eg 100 g) and black EPDM masterbatches (eg 300 g). Black EPDM masterbatches include not only the polymer EPDM (ie ethylene-propylene-diene rubber), but also further additives, and precisely and especially large amounts of carbon black, and also oils as plasticizers. The purpose of using a test masterbatch is to provide the best possible simulation of a material actually used and thus allow reliable testin...

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Abstract

The present invention relates to a column pressing machine used for quality analysis. The present invention relates to a method for measuring polymer-bonded rubber additive (3). According to the method, one polymer-bonded rubber additive (3) is mixed with a testing master batch, and is particularly mixed with an EPDM master batch (2) so that the generated testing mixture (5) is forced to pass through a testing screen (10) and the number of the unscattered particles (14) which are removed through screening is measured. The invention also relates to a device used for the method according to the invention. The device comprises a cylinder (6), a piston (7) which guides the motion, a plurality of screens (8, 9, 10) provided at one end of the cylinder, and a ring (11) next to the screen (10). The method and the device of the invention are more reliable.

Description

technical field [0001] The present invention relates to a method and apparatus for testing the quality of polymer-bound rubber additives. [0002] The quality of a polymer-bound rubber additive is tested indirectly by testing a test mixture produced that includes the polymer-bound rubber additive. An example of this type of polymer-bound rubber additive is as commercially available. At least one rubber additive and at least one polymeric binder are included. Examples of rubber additives that can be used are sulfur, curing accelerators (such as MBTS), antioxidants (such as MBI), and also activators (such as zinc oxide). [0003] expression By way of example, cross-linking agents provided for the purpose of producing an elastomer from a rubber by means of cross-linking agents are encompassed. " S-80" is a crosslinker of this type that consists of 80% sulfur and 20% polymer binder. [0004] from Another example of a product range is called MBI-80 is also based on t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00G01N33/44
CPCG01N33/445
Inventor 马丁·舒赫曼赫尔曼·赫博尔
Owner LANXESS DEUTDCHLAND GMBH
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