FIELD: chemistry.
SUBSTANCE: binder contains the following (pts.wt): mixture of epoxy resins - 100, curing agent 30-40 and functionalised polyether sulphone 5-30. The composition of the mixture includes (pts.wt): bifunctional diane resin 40-60, epoxy-novolak resin 10-20 and tetrafunctional resin 30-40. The functionalised polyether sulphone is in form of an undissolved powder. Also disclosed is a method of producing said binder and a prepreg based thereon.
EFFECT: invention improves operating properties of the binder and prepregs and composite materials based thereon.
7 cl, 2 tbl, 9 ex
| Title | Year | Author | Number |
|---|---|---|---|
| EPOXY BINDER, PREPREG BASED ON IT AND PRODUCTS MADE FROM IT | 2023 |
|
RU2809529C1 |
| EPOXY BINDING AGENT, BASED ON IT PREPREG AND PRODUCT MADE OF IT | 2012 |
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|
RU2663444C1 |
| EPOXY BINDER, PREPREG BASED THEREON AND ARTICLE MADE THEREFROM | 2019 |
|
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| EPOXY BINDER, PREPREG BASED THEREON AND ARTICLE MADE THEREFROM | 2015 |
|
RU2601486C1 |
| HOT MELT EPOXY BINDER, SEMIPREG BASED ON IT AND A PRODUCT MADE FROM IT | 2022 |
|
RU2803987C1 |
| EPOXY BINDER, PREPREG BASED ON IT, AND PRODUCT MADE OF IT | 2021 |
|
RU2777895C2 |
| EPOXY BINDER, PREPREG BASED THEREON AND ARTICLE MADE THEREFROM | 2015 |
|
RU2587178C1 |
