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A composite material, a method of producing the same, and articles made therefrom

A technology for composite materials and products, applied in the field of preparing such products, can solve the problems of undetectable and undetectable metals

Inactive Publication Date: 2015-04-08
DOW GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such metals are not detectable in all applications
For example, iron oxide is detectable in wet product applications but not in dry applications

Method used

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  • A composite material, a method of producing the same, and articles made therefrom
  • A composite material, a method of producing the same, and articles made therefrom

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0085] The following examples illustrate the invention but are not intended to limit the scope of the invention.

[0086] Six samples were formed with different amounts of core / shell particles dispersed in the thermoplastic elastomer component. Table 1 below shows the compositions of Examples 1-5 of the present invention.

[0087] Table 1

[0088]

[0089] Inventive Example 6 comprised 47 wt% AFFINITY GA 1950, 3 wt% STRUKTOL WB42, and 50 wt% MAGSILICA 50-85. AMPLIFY EA 103 is commercially available from The Dow Chemical Company and is an ethylene-ethyl acrylate (EEA) copolymer having a density of 0.930 g / cm 3 (measured according to ASTM D792) and I 2 It is 21 g / 10 min (measured at 190° C. and 2.16 kg according to ASTM D1238). PRIMACOR 5890 is commercially available from The Dow Chemical Company and is an ethylene-acrylic acid (AA) copolymer containing 20 wt% AA. MAGSILICA is commercially available from Evonik Industries and is particles of iron oxide particles 5 to 30 ...

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Abstract

A composite material, comprising: (A) a particle comprising: (i) a core comprising one or more magnetic materials and (ii) a shell comprising silicon dioxide and (B) a polymer component selected from the group consisting of polyolefm homopolymers, polyolefm interpolymers, and combinations thereof, wherein the polymer component is free of free radical initiator is provided.

Description

technical field [0001] The present invention relates to composite materials, methods of making them, and articles made therefrom, and methods of making such articles. Background technique [0002] Thermoplastic elastomers are used in a variety of applications where consumer goods can be made, including durable goods and consumable products. For example, thermoplastic elastomers are used in conveyor belts used in the manufacture of such goods and products, as well as in certain packaging for such goods and products. Damaged conveyor belts and / or packaging may release small pieces of thermoplastic material which can contaminate the packaged goods. Such contamination can present a significant quality control problem in the food, pharmaceutical, and packaging industries. These pieces of thermoplastic material are not detectable by the metal detectors installed as standard on the packaging line. [0003] There are a variety of metal detectable conveyor belts that use metal oxi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K9/10
CPCC08K9/10B29D29/06B32B27/32B29K2995/0008B32B5/16B32B5/30B32B27/08B32B27/28B32B27/304B32B27/306B32B27/34B32B27/36B32B27/365B32B2264/102B32B2264/105B32B2307/306B32B2307/54B32B2307/732B32B2433/02B32B27/308B32B2307/208B32B2264/12B32B27/327B32B2270/00B32B2413/00B32B27/302B32B2250/24B32B2307/762B32B27/18B32B27/30B32B38/00G01N33/442H01F1/01
Inventor G·斯图基K·克罗纳维特莱斯纳M·普列托
Owner DOW GLOBAL TECH LLC