FIELD: production of binders for prepregs for making heavily-loaded articles used in aeronautical engineering and intended for operation under high humidity conditions (tropics, marine climate); automobile manufacture; shipbuilding and other industries.
SUBSTANCE: proposed binder for prepreg contains the following components, parts by mass: epoxy triphenol resin, 40-60;low-molecular epoxy diane resin, 25-35; high-molecular epoxy diane resin, 3-6; dicyanodiamide, 5.5-7.0 and bis-(N,N'-dimethyl carbamide) of diphenyl methane, 0.05-2.0; solvent, 0-90; silicon dioxide, 1-6. Prepreg contains also 30-42 mass-% of epoxy binder and 58-70 mass-% of fibrous filler. Articles are made from prepreg by molding.
EFFECT: increased gelatinization time; improved quality of prepreg; enhanced strength characteristics.
3 tbl, 6 ex
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOUND FOR PRODUCTION OF BINDER FOR PREPREGS, METHOD OF PRODUCTION OF BINDER FOR PREPREGS, PREPREG AND ARTICLE | 2000 |
|
RU2176255C1 |
| HOT-MELT BINDER, METHOD FOR PRODUCTION THEREOF, PREPREG AND HONEYCOMB PANEL BASED THEREON | 2011 |
|
RU2486217C1 |
| COMPOSITION FOR OBTAINING BINDING AGENT FOR PREPREGS, METHOD OF THEREOF MANUFACTURING, PREPREG AND METHOD OF MANUFACTURING PANEL FROM POLYMER COMPOSITE MATERIAL | 2014 |
|
RU2559495C1 |
| COMPOSITION AND METHOD OF PRODUCING BINDER, PREPREG AND CELLULAR PANEL | 2010 |
|
RU2460745C2 |
| BINDER FOR PREPREGS AND METHOD OF PRODUCING SAID BINDER | 2011 |
|
RU2470047C2 |
| PREPREG BASED ON ADHESIVE BINDER OF REDUCED FLAMMABILITY AND FIBERGLASS, CARBON FIBER ON ITS BASIS | 2018 |
|
RU2676634C1 |
| EPOXY BINDING AGENT FOR PREPREGS, PREPREG BASED ON IT, AND ARTICLE MADE THEREOF | 2006 |
|
RU2335515C1 |
| EPOXY BINDER, PRE-PREG BASED THEREON, AND PRODUCT MADE THEREFROM | 2021 |
|
RU2773075C1 |
| EPOXY BINDER, PREPREG AND PRODUCT MADE OF THEM | 2022 |
|
RU2797591C1 |
| EPOXY BINDER, PREPREG BASED THEREON AND ARTICLE MADE THEREFROM | 2015 |
|
RU2601486C1 |
