metathesis-polymer matrix

04:46 Jun 15, 2017
This question was closed without grading. Reason: No acceptable answer

English language (monolingual) [PRO]
Chemistry; Chem Sci/Eng
English term or phrase: metathesis-polymer matrix
To overcome this disadvantage, a novel neutron shielding material using a metathesis-polymer matrix has been developed in Japan.
Masoud Kakoli
Local time: 23:09

3 +1thermosetting resin
Yasutomo Kanazawa
Summary of reference entries provided
metathesis = double decomposition reaction
Neil Ashby

Discussion entries: 1



23 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
thermosetting resin


A neutron shielding material using a metathesis-polymer matrix, which is a thermosetting resin, was developed. This shielding material has characteristics that can be controlled for different mixing ratios of neutron absorbers and for formation in the laboratory. Additionally, the elastic modulus can be changed at the hardening process, from a flexible elastoma to a mechanically tough solid.

Thermosetting resin

Images of thermosetting resin resin&hl=ja&...

Yasutomo Kanazawa
Local time: 00:09
Native speaker of: Native in JapaneseJapanese
PRO pts in category: 4
Notes to answerer
Asker: I cannot really understand how it is possible to conclude this. The text you provided might also say something like this: an iron-made bar, which is a metal, can be found everywhere. In this sense, these two words are not equivalent.

Peer comments on this answer (and responses from the answerer)
agree  Herbmione Granger: The curing reaction is ring opening (ROMP) or ring closing (RCMP) {olefin} metathesis polymerization .
8 mins
  -> Thanks!

neutral  Neil Ashby: The first ref is very poor non-native text. The others don't connect the term in question with "thermosetting resin".
7 hrs
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Reference comments

7 hrs peer agreement (net): +1
Reference: metathesis = double decomposition reaction

Reference information:
1. double decomposition reaction - a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB) double decomposition, metathesis. decomposition reaction

Note added at 1 day4 hrs (2017-06-16 09:32:21 GMT)

To be honest I don't really understand it.
It appears to be a matrix of a polymer plus metathesis - but of course "metathesis" is not a material but rather a process/type of reaction.
I don't agree with "herbalchemist" - "The metathesis polymer matrix is the reaction mixture before thermosetting", the source text states "using a metathesis-polymer matrix" which makes me think it refers to a material rather than a process, afterall, a matrix is a material.

The source seems confusing to me because it combines a material with a process and calls it a material, but I'm really not very sure. I never liked polymer chemistry.

Neil Ashby
Specializes in field
Native speaker of: Native in EnglishEnglish
Note to reference poster
Asker: Thank you! I also found that definition for metathesis. Taking into account the definition of "metathesis", I think "polymer" here refers to "an act of polymerization". What do you think?

Asker: I DO agree with you!!! It is also confusing to me because as you said it combines a material with a process and calls it a material! However, a polymer may also mean a product of polymerization, which in this sense refers to a process like metathesis. Thanks!

Peer comments on this reference comment (and responses from the reference poster)
agree  acetran
1 hr
  -> Thanks Ace!
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