Vliv množství styrenu na smrštění nenasycených polyesterových pryskyřic

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F04%3A63502631" target="_blank" >RIV/70883521:28110/04:63502631 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

The effect of styrene amount on shrinkage of unsaturated polyester resins

Popis výsledku v původním jazyce

The cure of unsaturated polyester resin is accompanied by high degree of curing shrinkage. This shrinkage usually causes manufacturing problems, which include surface quality flaws, such as surface waviness and sink-mark formation, and dimensional control problems, like part warpage and poor reproducibility of moulded part. The final volume shrinkage depends on several factors, e.g. conditions of curing, mixture proportion, and kinetics of the crosslinking reaction. In our study the effect of styrene onthe final shrinkage was investigated. The measurement was carried out at a device developed in our laboratory, which is based on monitoring the position of a piston placed in a test tube with curing mixture. The mixtures with variety of molar ratio of double bonds in styrene to unsaturated polyester (UP) were cured at the temperatures of 80°C, 110°C and 150°C, and pressure 0.245 MPa. It was found that the convenient ratio of styrene to UP in mixture is 2:1 under the curing temperature o

Název v anglickém jazyce

The effect of styrene amount on shrinkage of unsaturated polyester resins

Popis výsledku anglicky

The cure of unsaturated polyester resin is accompanied by high degree of curing shrinkage. This shrinkage usually causes manufacturing problems, which include surface quality flaws, such as surface waviness and sink-mark formation, and dimensional control problems, like part warpage and poor reproducibility of moulded part. The final volume shrinkage depends on several factors, e.g. conditions of curing, mixture proportion, and kinetics of the crosslinking reaction. In our study the effect of styrene onthe final shrinkage was investigated. The measurement was carried out at a device developed in our laboratory, which is based on monitoring the position of a piston placed in a test tube with curing mixture. The mixtures with variety of molar ratio of double bonds in styrene to unsaturated polyester (UP) were cured at the temperatures of 80°C, 110°C and 150°C, and pressure 0.245 MPa. It was found that the convenient ratio of styrene to UP in mixture is 2:1 under the curing temperature o

Druh

D - Stať ve sborníku

CEP obor

CD - Makromolekulární chemie

OECD FORD obor

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Projekt

<a href="/cs/project/FF-P2%2F141" target="_blank" >FF-P2/141: Kompozitní materiály nové generace.</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2004

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

31 st International COnference of Slovak Society of Chemical Engineering, Proceedings

ISBN

80-227-2052-6

ISSN

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e-ISSN

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Počet stran výsledku

7

Strana od-do

57

Název nakladatele

Slovenská technická univerzita v Bratislave

Místo vydání

Bratislava

Místo konání akce

Tatranské Matliare

Datum konání akce

24. 5. 2004

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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