An ink jet composition of the present disclosure includes: water; a polyester resin having sulfo groups; a colorant; and a high molecular weight dispersant having anionic groups, the colorant is contained in particles formed from a material containing the polyester resin, and a rate X1 [percent on molar basis] of the sulfo groups to all constituent monomers of the polyester resin is lower than a rate X2 [percent on molar basis] of the anionic groups to all constituent monomers of the high molecular weight dispersant.

An ink jet composition of the present disclosure includes: water; a polyester resin having sulfo groups; a colorant; and a high molecular weight dispersant having anionic groups, the colorant is contained in particles formed from a material containing the polyester resin, and a rate X1 [percent on molar basis] of the sulfo groups to all constituent monomers of the polyester resin is lower than a rate X2 [percent on molar basis] of the anionic groups to all constituent monomers of the high molecular weight dispersant.

Polymeric composition comprising, with respect to the total composition: i) 30-95% by weight, preferably between 50-85% by weight with respect to the sum of components i)-vi), of at least one polyester comprising: a) a dicarboxylic component comprising, with respect to the total of the dicarboxylic component: a1) 30-70% by moles of units deriving from at least one aromatic dicarboxylic acid; a2) 70-30% by moles of units deriving from at least one saturated aliphatic dicarboxylic acid; a3) 0-5% by moles of units deriving from at least one unsaturated aliphatic dicarboxylic acid; b) a diol component comprising, with respect to the total diol component: b1) 95-100% by moles of units deriving from at least one saturated aliphatic diol; b2) 0-5% by moles of units deriving from at least one unsaturated aliphatic diol; ii) 0.1-50% by weight with respect to the sum of components i)-vi), of at least one polymer of natural origin; iii) 0.1-10% by weight with respect to the sum of components i)-vi) of at least one polyhydroxy alkanoate different from a lactic acid polyester referred to in point iv); iv) 0-3% by weight with respect to the sum of components i)-vi) of at least one lactic acid polyester; v) 0-1% by weight, preferably 0-0.5% by weight, with respect to the sum of the components i)-vi) of at least one cross-linking agent and/or a chain extender and/or hydrolytic stabilizer comprising at least one compound di- and/or polyfunctional containing isocyanate, peroxide, carbodiimide, isocyanurate, oxazoline, epoxide, anhydride, diviniether groups and mixtures of these; vi) 0-15% by weight, with respect to the sum of components i)-vi), of at least one inorganic filling agent.

Polymeric composition comprising, with respect to the total composition: i) 30-95% by weight, preferably between 50-85% by weight with respect to the sum of components i)-vi), of at least one polyester comprising: a) a dicarboxylic component comprising, with respect to the total of the dicarboxylic component: a1) 30-70% by moles of units deriving from at least one aromatic dicarboxylic acid; a2) 70-30% by moles of units deriving from at least one saturated aliphatic dicarboxylic acid; a3) 0-5% by moles of units deriving from at least one unsaturated aliphatic dicarboxylic acid; b) a diol component comprising, with respect to the total diol component: b1) 95-100% by moles of units deriving from at least one saturated aliphatic diol; b2) 0-5% by moles of units deriving from at least one unsaturated aliphatic diol; ii) 0.1-50% by weight with respect to the sum of components i)-vi), of at least one polymer of natural origin; iii) 0.1-10% by weight with respect to the sum of components i)-vi) of at least one polyhydroxy alkanoate different from a lactic acid polyester referred to in point iv); iv) 0-3% by weight with respect to the sum of components i)-vi) of at least one lactic acid polyester; v) 0-1% by weight, preferably 0-0.5% by weight, with respect to the sum of the components i)-vi) of at least one cross-linking agent and/or a chain extender and/or hydrolytic stabilizer comprising at least one compound di- and/or polyfunctional containing isocyanate, peroxide, carbodiimide, isocyanurate, oxazoline, epoxide, anhydride, diviniether groups and mixtures of these; vi) 0-15% by weight, with respect to the sum of components i)-vi), of at least one inorganic filling agent.

Polymeric composition comprising, with respect to the total composition: i) 30-95% by weight, preferably between 50-85% by weight with respect to the sum of components i)-vi), of at least one polyester comprising: a) a dicarboxylic component comprising, with respect to the total of the dicarboxylic component: a1) 30-70% by moles of units deriving from at least one aromatic dicarboxylic acid; a2) 70-30% by moles of units deriving from at least one saturated aliphatic dicarboxylic acid; a3) 0-5% by moles of units deriving from at least one unsaturated aliphatic dicarboxylic acid; b) a diol component comprising, with respect to the total diol component: b1) 95-100% by moles of units deriving from at least one saturated aliphatic diol; b2) 0-5% by moles of units deriving from at least one unsaturated aliphatic diol; ii) 0.1-50% by weight with respect to the sum of components i)-vi), of at least one polymer of natural origin; iii) 0.1-10% by weight with respect to the sum of components i)-vi) of at least one polyhydroxy alkanoate different from a lactic acid polyester referred to in point iv); iv) 0-3% by weight with respect to the sum of components i)-vi) of at least one lactic acid polyester; v) 0-1% by weight, preferably 0-0.5% by weight, with respect to the sum of the components i)-vi) of at least one cross-linking agent and/or a chain extender and/or hydrolytic stabilizer comprising at least one compound di- and/or polyfunctional containing isocyanate, peroxide, carbodiimide, isocyanurate, oxazoline, epoxide, anhydride, diviniether groups and mixtures of these; vi) 0-15% by weight, with respect to the sum of components i)-vi), of at least one inorganic filling agent.

A polymer composition is disclosed which composition includes at least a first polymer and a second polymer. The first polymer is made up of at least 10 mole percent repeat units of (3-hydroxypropionate). The second polymer is made up of a poly(hydroxyalkanoate) which does not include repeat units of (3-hydroxypropionate). A method for making the first polymer is also disclosed.

A polymer composition is disclosed which composition includes at least a first polymer and a second polymer. The first polymer is made up of at least 10 mole percent repeat units of (3-hydroxypropionate). The second polymer is made up of a poly(hydroxyalkanoate) which does not include repeat units of (3-hydroxypropionate). A method for making the first polymer is also disclosed.

A display device which includes a display panel and a protection member above the display panel. The protection member may include an adhesive layer above the display panel, a first protection layer above the adhesive layer, and a second protection layer between the first protection layer and the adhesive layer. The first protection layer may have a first thickness and a first modulus, and the second protection layer may have a second thickness less than the first thickness and a second modulus less than the first modulus. The minimum value of the second thickness may be 20 μm, and the maximum value of the second thickness may satisfy Equation (1) below. The display device, which includes the protection member including the second protection layer satisfying Equation (1), may improve impact resistance and maintain reliability.

T2.sub.max=(0.13×T1−8.25)×ln M2+0.68×T1−5.1  (1)

A display device which includes a display panel and a protection member above the display panel. The protection member may include an adhesive layer above the display panel, a first protection layer above the adhesive layer, and a second protection layer between the first protection layer and the adhesive layer. The first protection layer may have a first thickness and a first modulus, and the second protection layer may have a second thickness less than the first thickness and a second modulus less than the first modulus. The minimum value of the second thickness may be 20 μm, and the maximum value of the second thickness may satisfy Equation (1) below. The display device, which includes the protection member including the second protection layer satisfying Equation (1), may improve impact resistance and maintain reliability.

T2.sub.max=(0.13×T1−8.25)×ln M2+0.68×T1−5.1  (1)

Disclosed are a composition for a radar penetration cover of a vehicle which may improve dielectric properties while maintaining excellent mechanical physical properties, and the radar penetration cover including the same. The composition for a radar penetration cover includes: an amount of about 60 to 70 wt % of polybutylene terephthalate (PBT), an amount of about 10 to 20 wt % of polycarbonate (PC), and an amount of about 11.5 to 27.8 wt % of an additive including polypropylene (PP) having maleic anhydride (MAH) grafted to an end group and a glass fiber (GF), wt % based on the total weight of the composition.