CAS: 26744-04-7
الصيغة الجزيئية:نا
الوزن الجزيئي:0
EINECS:نا
Synonyms:POLYHYDROXYBUTYRATE; Poly[oxy(1-methyl-3-oxo-1,3-propanediyl)]; Poly(β-hydroxybutyrate); Polyhydroxybutyrate/PHB
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Polyhydroxybutyrate PHB with CAS 26744-04-7 is produced by microorganisms, apparently in response to physiological stress conditions. It is mainly a condition of limited nutrients. The polymer is primarily a product of carbon assimilation (from glucose or starch) and is used by microorganisms as a form of energy storage molecule for metabolism when other common energy sources are not available.
البنود | القياسية |
ذوبان مؤشر (190 درجة مئوية ، 2. 16 كجم) ز/10min |
≤2 |
الرطوبة والمواد المتطايرة % |
≤0.5 |
نقطة انصهار ° c | 175 |
درجة حرارة التحول الزجاجي ° c | 0-5 |
كريستالينيتي % | 55-65 |
الكثافة جم/سم3 | 1.25 |
قوة الشد MPa | 30-35 |
الاسمية إجهاد الشد في استراحة % | 2-5 |
تأثير إيزود قوة (23 ° c) KJ/m2 | 1-2 |
انحراف الحرارة (0.455 MPa) ° c | 120-130 |
Polyhydroxybutyrate PHB with CAS 26744-04-7 has broad application prospects in medical materials, degradable plastics, disposable tableware, spectacle frames, packaging, sewage treatment, toys and other fields.
الزراعة: للتحلل الناقل الزراعية أفلام طويلة المفعول المبيدات والأسمدة
الطب: خيوط الجراحة, الكوع الأظافر ، استبدال العظام, الأوعية الدموية استبدال الصناعة: مواد التعبئة والتغليف, منتجات النظافة, حفاضات, البصرية المواد النشطة
في مجال المواد الطبية ، polyhydroxybutyrate يمكن استخدامها لإعداد المخدرات مستمرة لإطلاق سراح حاملة مواد النسيج المواد الهندسية ، إلخ. في مجال التعبئة والتغليف ، polyhydroxybutyrate تدهور المنتجات هي أساسا من ثاني أكسيد الكربون والماء ، وهو ما يتماشى مع التيار الخضراء و حماية البيئة مفهوم التنمية.
25kg/كيس أو وفقا لاحتياجات العملاء