Dsm IP Assets B.v.

Katarina Tomic

Alexander Antonius Marie Stroeks

Beert Jacobus Keestra

Konraad Dullaert

Eric Willem Van Der Vegte

Wilhelmus Frederikus Zoetelief

Ted Brink

Van Der Eric Willem Vegte

The present invention relates to a fuel part, comprising a polymer composition comprising: i. a polyamide A, and ii. micro talcum in an amount of 0.001 to 1 weight percent with respect to the total amount of the polymer composition, wherein the polymer composition has a melt volume flow rate (MVR) of at most 70 cm/10 min at a weight of 21.6 kg and at a temperature of Tas measured according to ISO 1133. The invention also relates to a process for preparation of such fuel part wherein a blow-molding or roto-molding process is applied.

Fuel part and process for preparation of a fuel part

This invention relates to a liner for a gas storage tank containing a polymer composition comprising: i. a polyamide A, and ii. a nucleating agent in an amount of at least 0.001 weight percent with respect to the total amount of the polymer composition, and iii. an impact modifier in an amount of at least 1 weight percent with respect to the total amount of the polymer composition. The invention also relates to a gas storage tank comprising a structural fiber composite comprising continuous carbon or glass fibers, as well as a method for preparing a liner by blow molding.

Liner for gas storage tank

Process for producing by blown film process a multilayer film containing at least one copolyamide layer and at least one polyolefin layer, in which the copolyamide comprises monomeric units of: &#x2022;aliphatic non-cyclic diamines X and aliphatic non-cyclic dicarboxylic acids Y or aliphatic non-cyclic &#x3b1;,&#x3c9;-amino acids Z, and &#x2022;diamines M and diacids N in an amount between 0.1 to 2 wt % based on the total amount of copolyamide, and in which M and N are cyclic. The invention also relates to a multilayer blown film containing at least one copolyamide layer and at least one polyolefin layer, in which the copolyamide comprises monomeric units of: &#x2022;aliphatic non-cyclic diamines X and aliphatic non-cyclic dicarboxylic acids Y or aliphatic non-cyclic &#x3b1;,&#x3c9;-amino acids Z, and &#x2022;diamines M and diacids N in an amount between 0.1 to 2 wt % based on the total amount of copolyamide, and in which M and N are cyclic.

Process for producing multilayer blown film and film obtained by the process

Polyamide composition comprising a first polyamide, characterized in that the composition further comprises polyamide 4,10 in an amount of at least 0.01 wt %, based on the total amount of polyamides in the composition. In a preferred embodiment of the invention, the first polyamide is an aliphatic polyamide chosen from the group of polyamide 6, polyamide 6,6 and polyamide 4,6.

Polyamide composition containing polyamide 4,10

This invention relates to a fuel part, comprising a polymer composition comprising: i. a polyamide A in which the ratio of terminal carboxy group concentration over terminal amino group concentration of the polyamide A is equal to 1 or higher, and ii. micro talcum in an amount of 0.001 to 1 weight percent with respect to the total amount of the polymer composition, and iii. an impact modifier in an amount of at least 1.0 weight percent with respect to the total amount of the polymer composition. This invention also relates to a process for producing a fuel part.

Fuel part and process for producing of a fuel part

This invention relates to a biaxially stretched product comprising a copolyamide comprising monomeric units of: aliphatic non-cyclic diamines X and aliphatic non-cyclic dicarboxylic acids Y or aliphatic non-cyclic &#x3b1;,&#x3c9;-amino acids Z, and diamines M and diacids N in an amount between 0.1 to 2 wt % based on the total amount of copolyamide, and in which M and N are cyclic, and wherein the product has been stretched at a temperature of between the glass transition temperature (Tg) and the melting temperature (Tm). A method of preparation is claimed, as well as a multilayer film comprising the biaxially stretched product.

Growing community of inventors

Echt, Netherlands

Katarina Tomic