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Performance materials - Polymer performance

What is POLYSORB® isosorbide impact on polymer glass transition temperature (Tg)?

Thanks to its original molecular design, POLYSORB® isosorbide often increase polymer Tg.

Performance materials - Polymer performance

How can POLYSORB® isosorbide contribute to replace standard polycarbonate?

Using POLYSORB® as co-monomer in polyester resins like PET enables to create better performing materials.

With such improvement, they can pretend to be a BPA-free, safe plastic alternative to standard polycarbonate.
Performance materials - Polymer performance

Are POLYSORB® isosorbide-based polymers UV resistant?

Thanks to its non-aromatic (cycloaliphatic) structure, POLYSORB® isosorbide does not introduce into polymers UV sensitive bonds, enabling higher UV resistance to plastics.

Performance materials - Polymer performance

What is the difference between standard polycarbonate and POLYSORB® isosorbide-based polycarbonate?

Standard polycarbonates are mainly composed of Bisphenol A, while by using POLYSORB® isosorbide, resin manufacturers can design special BPA-free polycarbonates.
Performance materials - About isosorbide

Is POLYSORB® isosorbide suitable for polyester resin modification?

POLYSORB® isosorbide is a diol that can be used as co-monomer for polyester synthesis.
Performance materials - About isosorbide

Is POLYSORB® ID a bio-based plasticizer?

Yes. POLYSORB® ID is designed from POLYSORB® isosorbide and plant-based fatty acids, both coming from plant-based raw materials.
Performance materials - About isosorbide

What is the resin identification code (RIC) for isosorbide-based plastics?

Isosorbide can be used to make different types of plastics/resin, so there is no specific RIC for isosorbide-based plastics.
Performance materials - About isosorbide

Does the "7" resin identification code on plastic mean they contain POLYSORB® isosorbide?

No. It means that the resin does not belong to the other types of resin defined from categories 1 to 6 (PET, HDPE, PVC, LDPE, PP, PS). 
Performance materials - About isosorbide

What can be considered as a POLYSORB® isosorbide derivative?

POLYSORB® isosorbide has a unique diol structure that enables molecule grafting or polymerisation.

All compounds based on chemical modification of POLYSORB® isosorbide can be qualified as isosorbide derivative.

Performance materials - Safety

Are POLYSORB® isosorbide-based polymers considered as bio-based polymers?

POLYSORB® isosorbide is a bio-based monomer.

However, polymers based on isosorbide are produced with other co-monomers.

It is recommended to contact the resin manufacturer to have more information of final bio-based content of the material.
Performance materials - About isosorbide

Is POLYSORB® isosorbide a bio-based monomer?

Yes. POLYSORB® isosorbide is obtained from sorbitol, a starch derivative. Starch produced by Roquette comes mainly from maize, wheat. Thus, POLYSORB® isosorbide can be considered as bio-based.
Performance materials - About isosorbide

What is POLYSORB® isosorbide?

POLYSORB® isosorbide is a cycloaliphatic monomer obtained from sorbitol dehydratation.

Sorbitol is a polyol obtained from glucose, the starch monomer.

Starch is the main component of plant-based raw materials such as maize, wheat,…

Performance materials - About isosorbide

Is POLYSORB® isosorbide a chain extender?

POLYSORB® isosorbide is a short chain diol. Thus, it can be used to design special TPU grades.
Performance materials - About isosorbide

What is a chain extender?

A chain extender is a short chain diol used in polyurethane-based thermoplastics (TPU) to create hard blocks.

TPU special properties are highly linked to the presence of such blocks.

Pharma - Quality status

Do Roquette APIs conform to ICHQ7A?

The implementation of the new European Pharmaceutical Directive (2004/27) have come into force on October 30, 2005. After that, each Active Pharmaceutical Ingredient will have to follow Good Manufacturing Practices according to the International ICHQ7A reference system. Roquette is therefore preparing to apply this quality reference system to its active ingredients.

For more information on this issue, please contact us or your local representative.

Pharma - Quality status

What documentation is available for the CTD (Common Technical Document)?

GMP, or Good Manufacturing Practices, are a set of official production standards and as such only make sense when the appropriate reference is indicated. Probably the most widely recognised GMP standards for active ingredients are the ones defined by the US FDA under  legislation  21 CFR, part 210-211. For instance, ROQUETTE’s LYCADEX PF has been assessed on a repeated occasions and has met these standards. However, there are other institutions that have set different GMP guidelines, such as WHO and IPEC.  The question of GMP certification has to be considered in the context of the specific product and local regulatory requirements.

For more information on this issue, please contact us or your local representative.

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