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Polyolefin composition comprising hollow glass microspheres

A technology of glass microspheres and compositions, which is applied in the field of polyolefin compositions, and can solve problems such as reducing strength and tensile modulus

Inactive Publication Date: 2018-04-17
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, it must be taken into account that the use of impact modifiers not only improves impact properties but also reduces strength and tensile modulus

Method used

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  • Polyolefin composition comprising hollow glass microspheres
  • Polyolefin composition comprising hollow glass microspheres
  • Polyolefin composition comprising hollow glass microspheres

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0079] Material

[0080] Table 1: List of materials used in the examples

[0081]

[0082]

[0083] Silane Surface Treatment of Glass Bubbles

[0084] 1500 g of a 0.5% by weight aqueous solution of 3-aminopropyltriethoxysilane (commercially available under the trade designation "AMEO" from Evonik, Germany) was charged to a Ross mixer (available from Harbin, NY). Parker's Charles Ross & Son Company (Charles Ross & Son Company, Hauppauge, N.Y.)). Glass bubbles (available from 3M Company, St. Paul, MN, USA) under the trade designation "iM16k" were added slowly at a moderate mixing speed and a mixing time of 15 minutes. The glass bubbles were added in such a way that a coating quantity of 1.1% by weight was achieved. The resulting paste was poured into aluminum pans and dried overnight in a forced air oven at 80°C. The dried glass bubbles were screened through a 180 micron sieve to remove any lumps.

[0085] Compounding process

[0086] A masterbatch with 26% b...

Embodiment approach 1

[0116] Embodiment 1: A composition comprising at least one of an impact modifier or a compatibilizer, a polyolefin, hollow glass microspheres, and a polar semicrystalline thermoplastic additive.

Embodiment approach 2

[0117] Embodiment 2: The composition of Embodiment 1, wherein the hollow glass microspheres are present in a range of 0.2% to 49% by weight, based on the total weight of the composition, and the polar semicrystalline thermoplastic The additive is present in a range of 0.5% to 49.3% by weight, the impact modifier is present in a range of 0% to 49.3% by weight, and the compatibilizer is present in a range of 0% to 20% by weight.

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Abstract

The invention relates to a composition that includes a polyolefin, hollow glass microspheres, a polar semicrystalline thermoplastic additive, and at least one of an impact modifier or a compatibilizer. Articles made from the composition, a method of making such an article by melt processing the composition, and the use of the composition are also disclosed.

Description

technical field [0001] The present invention relates to polyolefin compositions comprising hollow glass microspheres with improved mechanical properties. Background technique [0002] Hollow glass microspheres having an average diameter of less than about 500 microns, also commonly referred to as "glass microbubbles," "glass bubbles," "hollow glass beads," or "glass balloons," are widely used, for example, as additives to polymer compositions Used in industry. Hollow glass microspheres are useful in many industries, for example, to reduce the weight of polymer compositions and to improve the processing, dimensional stability and flow characteristics of polymer compositions. Hollow glass microspheres have been incorporated into polypropylene composites for some applications. See, eg, US Patent 7,365,144 (Ka et al.). The need for lightweight solutions in the polymer industry eg for automotive applications has led to increasing interest in thermoplastic compounds comprising ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/10
CPCC08L23/10C08K7/28C08L23/08C08L23/0846C08L77/00C08J3/226C08K3/34C08K9/06C08L23/06C08L23/12C08L23/26C08L101/00B29C45/0001B29K2023/12B29K2105/165B29K2509/08C08L2205/03C08L2205/035C08L2205/08
Inventor 克劳斯·辛策弗里德里希·沃尔夫伯恩德·甘格努斯斯特凡·弗里德里希马塞尔·德林
Owner 3M INNOVATIVE PROPERTIES CO
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