Radial styrene-isoprene-butadiene multi-armed block...

C - Chemistry – Metallurgy – 08 – F

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C08F 297/04 (2006.01) C08G 81/02 (2006.01) C09J 7/02 (2006.01) C09J 153/02 (2006.01)

Patent

CA 2176592

The invention is drawn to radial block copolymers of the formula: (pS-pI- pBnX), wherein pS is polystyrene, pI is polyisoprene, pB is polybutadiene, X is the residue of a multifunctional coupling agent used in the production of the radial block copolymer, and n is a number greater than or equal to 3 representative of the number of branches appended to X; pressure sensitive adhesive compositions comprising such radial block copolymers and articles of manufacture produced therefrom. The pS component of the radial block copolymers of this invention comprise from about 14 to about 24 parts per 100 parts by weight of the radial block copolymer; the molecular weight (as polystyrene equivalent) of the radial block copolymer is between about 200,000 to about 400,000; and the weight amount of polybutadiene in the pI-pB segment is less than 50 weight percent.

L'invention se rapporte à des copolymères blocs radiaux de la formule: (pS-pI-pB¿n?X) dans laquelle pS représente polystyrène, pI polyisoprène, pB polybutadriène, X représente le reste d'un agent multifonctionnel de pontage utilisé dans la production de ce copolymère bloc radial, et n est un nombre supérieur ou égal à 3, représentatif du nombre de ramifications attachées à X; l'invention se rapporte également à des compositions d'adhésifs pour autocollants comprenant ces copolymères blocs radiaux qui contiennent d'environ 14 à environ 24 parts pour 100 parts en poids du copolymère bloc radial; la masse moléculaire (en tant qu'équivalent polystyrène) du copolymère bloc radial est comprise entre environ 200 000 et environ 400 000; et la quantité en poids de polybutadiène dans le segment pI-pB est inférieure à 50 pour cent en poids.

LandOfFree

Say what you really think

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

Rating

Radial styrene-isoprene-butadiene multi-armed block... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Radial styrene-isoprene-butadiene multi-armed block..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radial styrene-isoprene-butadiene multi-armed block... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1569482

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