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Low-odour (meth)acrylic reaction resins

A reactive, acrylic technology for coatings, architecture, roads, and more

Inactive Publication Date: 2014-03-19
ROHM G M B H
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These systems also have the same unfavorable performance in terms of odor generation

Method used

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  • Low-odour (meth)acrylic reaction resins
  • Low-odour (meth)acrylic reaction resins
  • Low-odour (meth)acrylic reaction resins

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] To 94 parts by weight of glycerol methylal methacrylate, 1 part by weight of 1,4-butanediol dimethacrylate, 0.06 parts by weight of Topanol-O, 0.5 parts by weight of Sasolwax 5603 and 1.5 parts by weight of N,N- Di-2-hydroxypropyl-p-toluidine and the ingredients were mixed at 63°C with vigorous stirring until all ingredients were dissolved. The resin was then allowed to cool to 23°C with stirring. For curing, 2% by weight of curing agent powder (50% BPO in dicyclohexyl phthalate) was admixed to the resin, stirred for one minute and then applied to the metal surface in a layer thickness of approximately 2 mm .

Embodiment 2

[0076] To 94 parts by weight of isopropylidene glycerol methacrylate, 1 part by weight of triethylene glycol dimethacrylate were added 0.06 parts by weight of Topanol-O, 0.5 parts by weight of Sasolwax 5603 and 1.5 parts by weight of N,N-di-2 -Hydroxypropyl-p-toluidine and mix the ingredients at 63°C with vigorous stirring until all ingredients are dissolved. The resin was then allowed to cool to 23°C with stirring. For curing, 2% by weight of curing agent powder (50% BPO in dicyclohexyl phthalate) was admixed to the resin, stirred for one minute and then applied to the metal surface in a layer thickness of approximately 2 mm .

Embodiment 3

[0078] To 84 parts by weight of glycerol methylal methacrylate, 9 parts by weight of glycerol methylal acrylate and 5 parts by weight of 1,4-butanediol dimethacrylate, 0.06 parts by weight of Topanol-O, 0.6 parts by weight of Sasolwax 5603 were added and 1.5 parts by weight of N,N-di-2-hydroxypropyl-p-toluidine, and mix the ingredients at 63°C with vigorous stirring until all ingredients are dissolved. The resin was then allowed to cool to 23°C with stirring. For curing, 2% by weight of curing agent powder (50% BPO in dicyclohexyl phthalate) was admixed to the resin, stirred for one minute and then applied to the metal surface in a layer thickness of approximately 2 mm .

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Abstract

The present invention relates to a novel (meth)acrylic reaction resin, which hardens with little or no odour. More particularly, the present invention relates to reaction resins containing reactive (meth)acrylic monomers from the group of polar cyclically substituted esters of (meth)acrylic acid that boil at high temperatures, more particularly from glycerinacetal-, -ketal- or -carbonate- methacrylates. These novel components are used as a substitute for MMA, which constitutes the main part of the odour in the existing reaction resin systems according to the prior art. These novel components enable the production of resin formulations that have similar glass transition temperatures and comparable characteristics to MMA-based resins. The novel reaction resins may also have faster hardening times than MMA-based systems from the prior art. According to the invention, the term reaction resins is understood to mean reactive monomer mixtures or mixtures of monomers and polymers which, used as a 2K system, can easily be hardened.

Description

technical field [0001] The present invention relates to novel (meth)acrylic reactive resins that cure with low or no odor. The present invention more particularly relates to reactive resins comprising high boiling reactive (meth)acrylic monomers selected from polar, cyclic substituted esters of (meth)acrylic acid, more Especially the acetal-, ketal- or carbonate-methacrylates of glycerol. These novel components serve as a replacement for MMA, which is a major part of the odor damage in existing reactive resin systems according to the prior art. Using these novel components, resin formulations with glass transition temperatures similar to MMA-based resins, and properties comparable to MMA-based resins can be obtained. The new reactive resin is also able to exhibit faster cure than prior art MMA-based systems. The reactive resin according to the invention refers to a reactive monomer mixture or a mixture of monomer and polymer which can be easily cured when used as a two-comp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K3/18C08K5/00C08K7/20C08L33/08C09D4/06E01F9/04
CPCC08K3/40C09D5/00C08K5/14C08F224/00C09D4/06C08F220/18C09D133/066C08F220/1804C08F220/1808C08F220/282C08F222/102
Inventor S·黑尔弗A·克雷恩H·希贝I·吉佐夫斯基S·格利姆M·弗里特纳
Owner ROHM G M B H
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