Hot shaping polyhydroxyalkanoate polymers

C - Chemistry – Metallurgy – 08 – J

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C08J 3/16 (2006.01) C08J 5/00 (2006.01) C08L 67/04 (2006.01) C12P 7/62 (2006.01)

Patent

CA 2239977

This invention relates to processes for producing a shaped object of polyhydroxyalkanoate (PHA) that makes it possible to omit the preliminary extrusion-compounding step, thus saving expense and limiting loss of molecular weight. The process comprises producing a biomass containing particles of PHA and non-PHA cell material (NPCM), separating the NPCM, suspending the PHA particles in water, agglomerating the suspended PHA particles to a suitable weight average particle diameter, separating the agglomerated PHA particles from the suspension, drying the agglomerated PHA particles, and hot shaping the dry, agglomerated PHA particles. In one embodiment, the weight average particle diameter is 50 µm to 5000 µm. In another embodiment, a plasticiser is added to the agglomerated PHA particles.

Les procédés de production d'un objet façonné en polyhydroxyalcanoate (PHA) permettent de sauter l'étape préliminaire d'extrusion/formation de mélange, ce qui permet de réduire le coût et de limiter la perte de poids moléculaire. Ledit procédé consiste à produire une biomasse contenant des particules de PHA et du matériau cellulaire exempt de PHA (NPCM), à séparer le NPCM, à mettre en suspension les particules de PHA dans de l'eau, à agglomérer les particules de PHA en suspension pour obtenir des particules d'un diamètre moyen en poids approprié, à séparer les particules agglomérées de la suspension, à sécher les particules de PHA agglomérées et à façonner à chaud les particules de PHA sèches agglomérées. Dans un mode de réalisation, le diamètre moyen en poids des particules est de 50 µm à 5000 µm. Dans un autre mode de réalisation, un plastifiant est ajouté aux particules de PHA agglomérées.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Hot shaping polyhydroxyalkanoate polymers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hot shaping polyhydroxyalkanoate polymers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hot shaping polyhydroxyalkanoate polymers will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1757380

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.