CTBN-TOUGHENED EPOXY RESINS——EFFECT OF CURING MECHANISM ON NETWORK STRUCTURE OF THE RUBBER PHASE

SONG Aiteng; YU Yunzhao

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CTBN-TOUGHENED EPOXY RESINS——EFFECT OF CURING MECHANISM ON NETWORK STRUCTURE OF THE RUBBER PHASE

Papers | Updated：2021-06-21

- CTBN-TOUGHENED EPOXY RESINS——EFFECT OF CURING MECHANISM ON NETWORK STRUCTURE OF THE RUBBER PHASE
- Vol. 8, Issue 2, Pages: 183-187(1990)
- Affiliations：
  
  1. Institute of Chemistry, Academia Sinica,Beijing
  2. Academia Sinica
  3. Beijing
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 June 1990
- Accepted：
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[1]宋爱腾,余云照.CTBN-TOUGHENED EPOXY RESINS——EFFECT OF CURING MECHANISM ON NETWORK STRUCTURE OF THE RUBBER PHASE[J].Chinese Journal of Polymer Science,1990,{4}(02):183-187.

SONG Aiteng, YU Yunzhao. CTBN-TOUGHENED EPOXY RESINS——EFFECT OF CURING MECHANISM ON NETWORK STRUCTURE OF THE RUBBER PHASE[J]. 1990, 8(2): 183-187.
[1]宋爱腾,余云照.CTBN-TOUGHENED EPOXY RESINS——EFFECT OF CURING MECHANISM ON NETWORK STRUCTURE OF THE RUBBER PHASE[J].Chinese Journal of Polymer Science,1990,{4}(02):183-187. DOI：

SONG Aiteng, YU Yunzhao. CTBN-TOUGHENED EPOXY RESINS——EFFECT OF CURING MECHANISM ON NETWORK STRUCTURE OF THE RUBBER PHASE[J]. 1990, 8(2): 183-187. DOI：

摘要

<正> Epoxy resins toughened with carboxyl-terminated butadieneacrylonitrile copolymers （CTBN） are two-phase thermosets. The network of the in situ formed rubber particles depends upon the curing mechanism of the resin. When a primary polyamine such as triethylene tetramine was used as curing agent

the network of the rubber phase was quite incomplete

whereas a perfect rubber network was formed with 2-ethyl-4-methyl imidazole as the curing agent.

Abstract

Epoxy resins toughened with carboxyl-terminated butadieneacrylonitrile copolymers （CTBN） are two-phase thermosets. The network of the in situ formed rubber particles depends upon the curing mechanism of the resin. When a primary polyamine such as triethylene tetramine was used as curing agent

the network of the rubber phase was quite incomplete

whereas a perfect rubber network was formed with 2-ethyl-4-methyl imidazole as the curing agent.

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