The invention concerns novel polyamines with formula (I), obtained by the reaction between piperazine and an epihalohydrin or a 1,3-dihalo-2-propanol,

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n being in the range 2 to 100, R.sub.1 being equally either an H or an alkyl radical containing between 1 and 8 carbon atoms or a hydroxyalkyl radical having the following general formula (II):

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R.sub.2 being equally either an H or an alkyl radical containing between 1 and 6 carbon atoms; two R.sub.2 may be connected together via a covalent bond in order to form a cycle if they are alkyl radicals.

The invention also concerns their preparation method and their use in an absorbing solution based on amines in order to selectively eliminate H.sub.2S from a gaseous effluent containing H.sub.2S and CO.sub.2.

An improved process for forming polyamide dispersions in water utilizing carbon dioxide to facilitate dispersion of the polyamide is disclosed. The polyamides are generally below 30,000 or 40,000 g/mole molecular weight when dispersed, but can be chain extended with polyfunctional species such as polyisocyanates after dispersion. The dispersions are useful in coatings, adhesives, and inks. Composites and hybrids of these other polyamides with vinyl polymers are also disclosed and claimed.

The present disclosure provides a thermally activated delayed fluorescence (TADF) polymeric material having a molecular structure formed by a main chain of a polymerized TADF and a side chain connected to alkyl chains. This structure of the TADF polymeric material has excellent TADF properties and solubility. Further, an electroluminescent device can be prepared by solution processing and a good device effect can be obtained.

The invention concerns a complex for delivering light-activated antimicrobial agents (photosensitising (PS) agents) into cells; use of said complex as a medicament in photodynamic therapy; use of said complex for treatment of a microbial infection; a method for the manufacture of a composition comprising said complex; a pharmaceutical or veterinary composition comprising said complex; a combination therapeutic comprising said complex and at least one other agent; a method of treatment employing the use of said complex, composition or combination therapeutic. The complex comprises a poly--amino ester and a photosensitizing agent.

The present invention relates generally to substrates for making polymers and methods for making polymers. The present invention also relates generally to polymers and devices comprising the same.

A semi-crystalline polyamide including at least one monomer resulting from the condensation of a diacid and of a diamine of formula AP.Y, the semi-crystalline polyamide having the following general formula (I): AP.Y/(A)m/(Pip.Y)n/(B.Y)q and the semi-crystalline polyamide having an Mp1 less than or equal to approximately 150 C., in particular less than or equal to approximately 130 C., in particular less than or equal to approximately 120 C. and/or a Tg less than or equal to approximately 60 C., in particular less than or equal to approximately 50 C., in particular less than or equal to approximately 40 C., as determined respectively by DSC according to standard ISO 11357-3 (2013) and ISO 11357-2 (2013).

Disclosed herein are inkjet ink compositions comprising a polymer comprising the repeat units (A), (B), and (C), wherein: (A) is selected from N.sup.+(R.sub.1)(R.sub.2) and N(R.sub.1); (B) is selected from C.sub.1-C.sub.10 alkylene; C.sub.3-C.sub.20 cycloalkylene; C.sub.3-C.sub.20 heterocycloalkylene; arylene; heteroarylene; C.sub.2-C.sub.20 ether; C.sub.2-C.sub.20 thioether; C.sub.2-C.sub.20 ester; C.sub.2-C.sub.20 acetal; C.sub.2-C.sub.20 amide; bisphenols; and oligomer and polymer moieties selected from polyether, polyester, polyamines, polycarbonate, polyacetal, polythioether, polyester amide, polyurethane, polyacrylate, polyolefin, and polyalkylsiloxane, and (C) comprises at least one group selected from: (i) C(R.sub.3) (R.sub.4)C(R.sub.5)(OH)(C(R.sub.6)(R.sub.7))m-, (ii) C(R.sub.3)(R.sub.4)C(R.sub.5)(H)C(O), and (iii) C(R.sub.3)(R.sub.4)C(R.sub.5)(H)S(O)(O); and (A) is bonded to the C(R.sub.3)(R.sub.4) group of (C), and (B) is bonded to (C).

The present disclosure provides an additive of a lithium ion battery. The additive is an oligomer prepared by mixing maleimides and thiobarbituric acid and reacting the mixture of maleimides and thiobarbituric acid at 80 C.-130 C. for 0.5-24 hours. The present disclosure also provides a cathode of the lithium battery with the additive. The additive is 0.5-10 wt % based on the total weight of the cathode active material and the additive.

A novel polymer having high glass transition temperature and an excellent balance between heat resistance, high refractive index and mechanical properties, and a composition and molded article containing the polymer are provided. The polymer according to the invention has a first structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below and a second structural unit having either a secondary amino structure or a tertiary amino structure at two or more terminals. ##STR00001##

A novel polymer having high glass transition temperature and an excellent balance between heat resistance, high refractive index and mechanical properties, and a composition and molded article containing the polymer are provided. The polymer according to the invention has a first structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below and a second structural unit having either a secondary amino structure or a tertiary amino structure at two or more terminals.

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