Poly Biodegradable Material PBAT Bioplastics

INTRODUCTION

PBAT has excellent mechanical performance, almost same as PP and ABS, good heat resistance and outstanding process ability allows it to be variously processed on conventional blown film plants, it is the best biodegradable plastic in terms of process ability in current market and can be blended with a great quantity of calcium carbonate and starch etc. to produce cost effective products.

Our PBAT is completely degradable according to various international standards and regulations like European standard EN 13432 and American Standard ASTM 6400, which will be eventually biodegraded to carbon dioxide, water and biomass when metabolized in the soil or degradable under standard conditions. Our resins are also certified by Ok Compost, BPI, ABAM, JBPA, FDA, EU Food Contact regulations, etc.

TECHICAL PROPERTIES

Chemical Name:Poly(butylene adipate-co-terephthalate)

Molecular formula:H-(O-(CH2)4-O-CO-(CH2)4-CO-)n-(O-(CH2)4-O-CO-C6H4- CO-)m-H

CAS NO:55231-08-8

Color:Natural white

Raw material: BDO (1,4-butanediol), PTA (terephthalic acid) Adipic Acid

Application:shopping bags mulching films, paper coating,labels,other packaging materials

MAX THICKNESS OF FILM

       61μm

PACKAGE

       25kg aluminum bag, each 20' container can load 17mt 800kg aluminum big bag, each 20' container can load 16mt

STORAGE

Temperatures during transportation and storage should not exceed 70 ºC. Keep resin in dry and ventilated warehouse to prevent moisture. Avoid contacting with soil, water and sludge, and no exposure to direct sunlight and extreme temperature. The maximum shelf life is 2 years in ambient temperature of 23ºC if the package has been tightly sealed.

DRYING

It is recommended to pre-dry the material prior to getting the best processing performance. If the moisture of the resin isless than 0.05% pre-drying may not be needed.

Typical drying conditions：2 hours at 80ºC (175ºF).

PROCESSING GUIDE

PABT is not suitable for direct film blowing, it is suggested to add slip additive like SiO2 or CaCO3, it can also be blended with starch, PLA, PHA, cellulous etc. Normally the extrusion temperature is 140ºC -170ºC which depends on formula and processing machine, it is important to make sure the blowing machine starts from the lowest temperature. If the blowing performance is not optimized it is recommended to increase the temperature by 5ºC

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