Process for preparing polyphenylene ether microspore dispersion
US-2016340546-A1 · Nov 24, 2016 · US
US9828466B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9828466-B2 |
| Application number | US-201515301655-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 6, 2015 |
| Priority date | Apr 4, 2014 |
| Publication date | Nov 28, 2017 |
| Grant date | Nov 28, 2017 |
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
What the patent document calls the invention.
A short plain-language summary of the technical disclosure.
Who owns or filed the patent and who is credited as inventor.
Filing, priority, publication, and grant dates set the timeline.
The legal scope of protection — read this for what is actually claimed.
Technology tags used to group this patent with similar filings.
Prior art links and similar publications in this corpus.
Official abstract text for this publication.
A polyphenylene ether derivative having at least one N-substituted maleimide group represented by the following general formula (I) in a molecule, and a heat curable resin composition, a prepreg, a metal-clad laminate, and a multilayer printed wiring board, each of which uses the polyphenylene ether derivative: wherein R 1 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, R 2 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, A 1 represents a residual group represented by a specific general formula, m is an integer of 1 or more as the number of the structural unit, and x and y each is an integer of 1 to 4.
Opening claim text (preview).
The invention claimed is: 1. A polyphenylene ether derivative (A) having at least one N-substituted maleimide group represented by the following general formula (I) in a molecule: wherein R 1 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, R 2 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, A 1 represents a residual group represented by one of the following general formulas (II), (Ill), (IV), or (V), m is an integer of 1 or more as the number of the structural unit, and x and y are each an integer of 1 to 4, wherein R 3 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, and p is an integer of 1 to 4, wherein R 4 and R 5 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, A 2 represents an alkylene group or alkylidene group having 1 to 5 carbon atoms, an ether group, a sulfide group, a sulfonyl group, a carbonyloxy group, a ketone group, a single bond, or a residual group represented by the following general formula (III-1), and q and r are each an integer of 1 to 4, wherein R 6 and R 7 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, A 3 represents an alkylene group having 1 to 5 carbon atoms, an isopropylidene group, an ether group, a sulfide group, a sulfonyl group, a carbonyloxy group, a ketone group, or a single bond, and s and t are each an integer of 1 to 4, wherein n is an integer of 1 to 10, wherein R 8 and R 9 each independently represents a hydrogen atom or an aliphatic hydrocarbon group having 1 to 5 carbon atoms, and u is an integer of 1 to 8. 2. The polyphenylene ether derivative (A) according to claim 1 , wherein the N-substituted maleimide group comprises at least one represented by the following formulas (I-1), (I-2), or (I-3): wherein m is as defined for the general formula (I), wherein m is as defined for the general formula (I), wherein m is as defined for the general formula (I). 3. A heat curable resin composition comprising the polyphenylene ether derivative (A) according to claim 1 and a thermosetting resin (B). 4. The heat curable resin composition according to claim 3 , wherein the polyphenylene ether derivative (A) has a number average molecular weight of 5,000 to 12,000. 5. The heat curable resin composition according to claim 3 , wherein the thermosetting resin (B) is at least one selected from the group consisting of an epoxy resin, a cyanate ester resin, and a maleimide compound. 6. The heat curable resin composition according to claim 5 , wherein the maleimide compound as the thermosetting resin (B) comprises a bismaleimide compound (a) having at least two N-substituted maleimide groups in a molecule, or a polyaminobismaleimide compound (c) represented by the following general formula (VI): wherein A 4 is a residual group represented by one of the following general formulas (VII), (VIII), (IX), or (X), and A 5 is a residual group represented by the following general formula (XI): wherein R 10 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, wherein R 11 and R 12 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, and A 6 represents an alkylene group or alkylidene group having 1 to 5 carbon atoms, an ether group, a sulfide group, a sulfonyl group, a carbonyloxy group, a ketone group, a single bond, or a residual group represented by the following general formula (VIII-1): wherein R 13 and R 14 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, and A 7 represents an alkylene group having 1 to 5 carbon atoms, an isopropylidene group, an ether group, a sulfide group, a sulfonyl group, a carbonyloxy group, a ketone group, or a single bond, wherein i is an integer of 1 to 10, wherein R 15 and R 16 each independently represents a hydrogen atom or an aliphatic hydrocarbon group having 1 to 5 carbon atoms, and j is an integer of 1 to 8, wherein R 17 and R 18 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, a hydroxyl group, or a halogen atom, and As represents an alkylene group or alkylidene group having 1 to 5 carbon atoms, an ether group, a sulfide group, a sulfonyl group, a carbonyloxy group, a ketone group, a fluorenylene group, a single bond, or a residual group represented by one of the following general formulas (XI-1) or (XI-2): wherein R 19 and R 20 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, and A 9 represents an alkylene group having 1 to 5 carbon atoms, an isopropylidene group, a m- or p-phenylenediisopropylidene group, an ether group, a sulfide group, a sulfonyl group, a carbonyloxy group, a ketone group, or a single bond, wherein R 21 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 5 carbon atoms, or a halogen atom, and A 10 and A 11 each represents an alkylene group having 1 to 5 carbon atoms, an isopropylidene group, an ether group, a sulfide group, a sulfonyl group, a carbonyloxy group, a ketone group, or a single bond. 7. The heat curable resin composition according to claim 3 , wherein the ratio of the polyphenylene ether derivative (A) and thermosetting resin (B) contained is in the range of: (A):(B) =(5 to 80% by mass
Polyphenylene oxides · CPC title
Polyphenylene oxides · CPC title
use in electrical or conductive gadgets · CPC title
Polymers modified by chemical after-treatment · CPC title
Polyphenylene oxides · CPC title
Related publications grouped by family.
Answers are generated from the same data shown on this page.