HIGHLY BRANCHED POLYLACTIDE RESIN, AND METHOD FOR PREPARING SAME
The present invention is characterized in that, by using a specific branching agent, a phosphorus compound, and an organic acid anhydride in a polylactide resin, high branching of the polylactide resin, which had not been previously achieved, is possible, and accordingly various physical properties,...
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Format: | Patent |
Sprache: | eng ; fre ; kor |
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Zusammenfassung: | The present invention is characterized in that, by using a specific branching agent, a phosphorus compound, and an organic acid anhydride in a polylactide resin, high branching of the polylactide resin, which had not been previously achieved, is possible, and accordingly various physical properties, especially melt strength, are improved compared to conventional polylactide resins, and thus, the present invention can be applied in processes which were difficult to apply to the conventional polylactide resins, such as foam.
La présente invention est caractérisée en ce que, grâce à l'utilisation d'un agent de ramification spécifique, d'un composé phosphore et d'un anhydride d'acide organique dans une résine de polylactide, une ramification élevée de la résine de polylactide, qui n'a pas été précédemment obtenue, est possible, et en conséquence diverses propriétés physiques, en particulier la résistance à l'état fondu, sont améliorées par rapport aux résines de polylactide classiques, et ainsi, la présente invention peut être appliquée dans des procédés qui étaient difficiles à appliquer aux résines de polylactide classiques, telles que la mousse.
본 발명은 폴리락타이드 수지에 특정 분지화제와 인계 화합물 및 유기산 무수물을 사용함으로써, 종래 달성되지 못하였던 폴리락타이드 수지의 높은 분지화가 가능하고, 이를 통하여 종래 폴리락타이드 수지에 비하여 여러 물성, 특히 용융 강도가 개선되어, 발포 폼 등 종래 폴리락타이드 수지에 적용하기 어려웠던 공정에도 적용할 수 있다는 특징이 있다. |
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