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- Polyphthalamide abstract "Polyphthalamide (aka. PPA, High Performance Polyamide) is a thermoplastic synthetic resin of the polyamide (nylon) family that is used to replace metals in high temperature automotive applications, as the housing for high temperature electrical connectors and multiple other uses. It has found a degree of favor for use in cutlery. PPA’s are polyamides containing aromatic rings in their backbones, which gives them high mechanical strength and thermal resistance.The term PPA is used when 60% or more moles of the carboxylic acid portion of the repeating unit in the polymer chain is composed of a combination of terephthalic (TPA) and isophthalic (IPA) acids. As a member of the nylon family, it is a semi-crystalline material composed from a diacid and a diamine which means PPA is formed by the reaction of aromatic acids with aliphatic diamines. However, the diacid portion contains at least 55% terephthalic acid (TPA) or isophthalic acid (IPA). TPA or IPA are aromatic components which serve to raise the melting point, glass transition temperature and generally improve chemical resistance vs. standard aliphatic nylon polymers and reduce water absorption. If more than 55% of the acid part of a PPA is made out of IPA, then the copolymer is amorphous.Polyphthalamide with 6T-SegmentPolyphthalamide with 6T-SegmentPolyphthalamide with DT-SegmentPolyphthalamide with DT-SegmentIn recent years, polyphthalamides have been commercialized by several polymer resin manufacturers which are under the trade names Amodel, Grivory, Ultramid T, VESTAMID HTplus, Akromid T and Zytel(r) HTN.".
- Polyphthalamide thumbnail Polyphthalamid.svg?width=300.
- Polyphthalamide wikiPageID "2622043".
- Polyphthalamide wikiPageRevisionID "595178376".
- Polyphthalamide hasPhotoCollection Polyphthalamide.
- Polyphthalamide subject Category:Plastics.
- Polyphthalamide subject Category:Polyamides.
- Polyphthalamide subject Category:Thermoplastics.
- Polyphthalamide type Matter100020827.
- Polyphthalamide type PhysicalEntity100001930.
- Polyphthalamide type Plastic114592610.
- Polyphthalamide type Plastics.
- Polyphthalamide type Solid115046900.
- Polyphthalamide type Thermoplastic114593344.
- Polyphthalamide type Thermoplastics.
- Polyphthalamide comment "Polyphthalamide (aka. PPA, High Performance Polyamide) is a thermoplastic synthetic resin of the polyamide (nylon) family that is used to replace metals in high temperature automotive applications, as the housing for high temperature electrical connectors and multiple other uses. It has found a degree of favor for use in cutlery.".
- Polyphthalamide label "Polyphthalamide".
- Polyphthalamide label "Polyphthalamide".
- Polyphthalamide label "聚邻苯二甲酰胺".
- Polyphthalamide sameAs Polyphthalamide.
- Polyphthalamide sameAs m.07sd3f.
- Polyphthalamide sameAs Q146194.
- Polyphthalamide sameAs Q146194.
- Polyphthalamide sameAs Polyphthalamide.
- Polyphthalamide wasDerivedFrom Polyphthalamide?oldid=595178376.
- Polyphthalamide depiction Polyphthalamid.svg.
- Polyphthalamide isPrimaryTopicOf Polyphthalamide.
