ADDITIVE FOR TEMPERATURE ADAPTIVE RHEOLOGY PROFILE

The invention relates to a polymer (P) comprising at least one segment (S1) and at least one segment (S2) covalently linked to each other, wherein i) at least one segment (S1) has a number average molecular weight in the range of 6,000-25,000 g/mol and consists of ether repeating units, and for at l...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Osborne, Aaron, Walter, Diana, Zody, George M, Steinmetz, Alan L, Adams, Justin, Benefiel, Donna, Nagelsdiek, René
Format: Patent
Sprache:eng
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Zusammenfassung:The invention relates to a polymer (P) comprising at least one segment (S1) and at least one segment (S2) covalently linked to each other, wherein i) at least one segment (S1) has a number average molecular weight in the range of 6,000-25,000 g/mol and consists of ether repeating units, and for at least 75% by weight of repeating units of the formula -[CH2-CH2-O-]-, ii) at least one segment (S2) has a number average molecular weight of at most 10,000 g/mol and consists of ether repeating units, and for at most 25% by weight of repeating units of the formula -[CH2-CH2-O-]-, iii) polymer (P) comprises terminal groups comprising at least one of hydroxyl, primary amine or salts thereof, secondary amine or salts thereof, carboxylic acid or salts thereof.