POLYISOPRENE PARTICLE AND METHOD FOR PRODUCING THE SAME, AND COSMETIC

POLYISOPRENE PARTICLE AND METHOD FOR PRODUCING THE SAME, AND COSMETIC

To provide substitute materials for silicone beads and polyurethane beads, having high elasticity, by using high-purity polyisoprene.SOLUTION: A polyisoprene particle has an average particle size d1 of 1-20 μm, a maximum particle size d2 of less than 30 μm, a particle size ratio (d2/d1) of 3.0 or le...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ENOMOTO NAOYUKI, HAMAZAKI YUICHI, SHIMAZAKI IKUKO, TSUKAMOTO SAKI
Format: Patent
Sprache:eng ; jpn
Schlagworte:
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:To provide substitute materials for silicone beads and polyurethane beads, having high elasticity, by using high-purity polyisoprene.SOLUTION: A polyisoprene particle has an average particle size d1 of 1-20 μm, a maximum particle size d2 of less than 30 μm, a particle size ratio (d2/d1) of 3.0 or less, a coefficient of variation of less than 40%, a sphericity of 0.80 or more, and a glass transition temperature of -53 to 10°C.SELECTED DRAWING: None 【課題】高純度なポリイソプレンを用いて、弾性の高いシリコーンビーズやポリウレタンビーズの代替材料を実現する。【解決手段】本発明のポリイソプレン粒子は、平均粒子径ｄ１が１～２０μｍ、最大粒子径ｄ２は３０μｍ未満、粒径比（ｄ２／ｄ１）が３．０以下、変動係数が４０％未満、真球度が０．８０以上、硝子転移温度が－５３～１０℃である。【選択図】なし