The circuit board according to the present invention includes a wiring portion and a non-wiring portion, the wiring portion having a metal layer and a resin layer, the non-wiring portion having a resin layer, the resin layer at a frequency 10 GHZ having a relative permittivity of from 2 to 3 at 23° C., and the circuit hoard satisfying a relationship: (A−B)/B≤0.1 wherein A is the maximum value of the thickness in the wiring portion (μm) and B is the minimum value of the thickness in the non-wiring portion (μm).

A hyperbranched polymer includes a hyperbranched, hydrophobic molecular core, respective low molecular weight polyethyleneimine chains attached to at least three branches of the hyperbranched, hydrophobic molecular core, and respective polyethylene glycol chains attached to at least two other branches of the hyperbranched, hydrophobic molecular core. Examples of the hyperbranched polymer may be used to form hyperbranched polyplexes, and may be included in DNA or RNA delivery systems.

Described herein are substituted polyetheramines with a low melting point which are obtainable by condensation of at least two N-(hydroxyalkyl)amines to obtain a polyetheramine and subsequent reaction of at least one remaining hydroxy group and/or, if present, at least one secondary amino group of said polyetheramine with ethylene oxide and at least one further alkylene oxide to obtain a substituted polyetheramine. Uses of such substituted polyetheramines in fields of cosmetic formulations, as crude oil emulsion brakers, in pigment dispersions of ink jets, in electro paintings, or in cementitious compositions as well as methods wherein said substituted polyetheramines are used in said fields are described herein.

Disclosed herein is a A polyalkanolamine including the structure of formula L1

[00001]${\left[{\text{A}}^{\text{L}}\right]}_{\text{n}}{\left[{\text{B}}^{\text{L}}\right]}_{\text{m}}$

wherein A.sup.L is B.sup.L is X.sup.L1, X.sup.L2, X.sup.L3 are independently selected from a C.sub.1 to C.sub.6 alkanediyl; Ar.sup.L is a 5 or 6 membered N-heteroaromatic ring system including from 1 to 4 N atoms, which may be unsubstituted or substituted by C.sub.1 to C.sub.6 alkyl; n is an integer of from 2 to 350; m is 0 or an integer of from 1 to 600; o is 1 or an integer of from 2 to 25; B.sup.L1 is a continuation of the backbone B.sup.L by branching; X.sup.L11, X.sup.L12, X.sup.L13 are independently selected from a C.sub.1 to C.sub.6 alkanediyl; X.sup.L21 is a C.sub.1 to C.sub.6 alkanediyl; and derivatives thereof obtainable by N-protonation, N-quaternization, substitution, or polyalkoxylation.

An etheramine mixture comprising one or more polyether diamines, methods for its production, and its use as a curing agent for epoxy resins. The etheramine mixture may also be used in the preparation of polyamides and polyurea compounds.

A method for forming a photoresist relief image including applying a layer of a coating composition on a substrate; and disposing a layer of a photoresist composition on the layer of the coating composition, wherein the coating composition comprises an amine-containing polymer comprising a hydrocarbon-substituted amino group and having nitrogen atoms in an amount from 3 to 47 weight percent, based on a total weight of the amine-containing polymer.

Disclosed herein are amphoterically-modified ethoxylated oligoamines, their manufacture, and methods of using them.

An embodiment relates to a substance comprising an end-capped amino compound comprising an amino compound and at least a portion of an end capping agent, wherein the at least the portion of the end capping agent contains no primary alkyl amine group and wherein the substance exhibits no activity as measured by: (a) a Cytotox CALUX assay; (b) a Steroidogenesis ERα CALUX assay; (c) a AR CALUX assay; (d) a Anti ERrα CALUX assay; (e) a Steroidogenesis AR CALUX assay; (f) an anti-AR CALUX assay; (g) a TRβ CALUX assay; (h) a anti-TRβ CALUX assay; (i) a TTR-TRβ CALUX assay; or (j) a TPO assay.

The disclosed technology provides a thermoplastic copolymer comprising: a plurality of difunctional triketone species; (b) a plurality of a first diamine species, wherein the first diamine species contains one or more primary amine groups and/or one or more secondary amine groups, and wherein the first diamine species does not contain a tertiary amine group; a plurality of a second diamine species, wherein the second diamine species contains one or more primary amine groups and/or one or more secondary amine groups, wherein the second diamine species does not contain a tertiary amine group, and wherein the second diamine species is different than the first diamine species; and optionally, a plurality of monofunctional amine-reactive groups. Some embodiments provide segmented thermoplastic copolymers. Methods of making and using the thermoplastic copolymer are also described, including depolymerizing the thermoplastic copolymer to form recycled monomers. The recycled monomers may then be repolymerized in a closed-loop system.

The presently claimed invention relates to polyalkyleneimine-based polymers that are useful as dispersants and a process for the preparation thereof. The presently claimed invention is also directed to dispersants that are useful in solvent-based dispersion systems as well as in water-based dispersion systems.