LG Chem

The present specification discloses a resin composition and a use thereof. In the present application, it is possible to provide a resin composition or a cured product thereof that exhibits low adhesion force to a predetermined adherend while exhibiting high thermal conductivity. Also, in the present application, the low adhesion force can be achieved without using an adhesion force adjusting component such as a plasticizer or in a state where the use ratio thereof is minimized. The present application can also provide a product comprising the resin composition or the cured product thereof.

An exemplary embodiment of the present disclosure provides a polyamide resin composition including: a polyamide resin including at least one selected from the group consisting of a chemically synthesized polyamide resin and a regenerated polyamide resin; and glass fibers having a tensile modulus of 88 GPa or more, wherein the glass fibers include calcium oxide and magnesia in an amount of 17 wt% to 24 wt% (wherein calcium oxide content is 10 wt% or more, and magnesia content is 10 wt% or less), based on 100 wt% of the glass fibers.

The present disclosure provides a conductive resin composition comprising a continuous phase containing polyamide, a micro-dispersed phase containing polyphenylene ether, and a first nano-dispersed phase positioned in the micro-dispersed phase and containing a styrene copolymer, wherein the micro-dispersed phase has a diameter of 2 µm or less and the first nano-dispersed phase has a diameter of 300 nm or less.

The present disclosure relates to a preparation method of a monomer for synthesizing recycled plastic, the method comprising the steps of: a step of recovering an aromatic diol compound obtained from the depolymerization reaction of a polycarbonate-based resin; a step of melting the aromatic diol compound; a step of crystallizing the melted aromatic diol compound; and a step of obtaining the crystallized aromatic diol compound, and a monomer for synthesizing recycled plastic, a recycled plastic and a molded product using the same.

A conductor dispersed solution including a carbon-based conductor, a first dispersant including a vinyl-based polymer containing nitrogen atoms, a second dispersant including a main component and an auxiliary component, and a dispersion medium, and a method for manufacturing the same are provided. The main component includes a cellulose-based polymer, the auxiliary component includes at least one of a lactone-based polymer and a glycol-based polymer, and through manufacturing of a conductor dispersed solution including the first dispersant and the second dispersant together, reduction in particle size of dispersed particles in the dispersed solution and reduction in viscosity of the dispersed solution are brought about, so that the carbon-based conductor may have characteristics of being uniformly and effectively dispersed in the dispersed solution.

The present invention relates to a liquid crystal nano capsule, comprising: a core containing liquid crystal; and a polymer shell formed on a surface of the core; wherein a sum of an onset temperature change value according to the Mathematical Formula 1 and a peak temperature change value according to the Mathematical Formula 2 is 37.5 °C or less, and capsule solution, optical film, optical device, transmittance variable device using the same.

Provided is a method for concentrating a sodium hydroxide aqueous solution including: in a stepwise concentration process of sodium hydroxide aqueous solution, including a concentration part in which a plurality of evaporators from a first evaporator to a nth evaporator are connected in series, adding a sodium hydroxide aqueous solution to the first evaporator and then performing evaporation to obtain a first sodium hydroxide concentrate, and recovering steam evaporated from the sodium hydroxide aqueous solution; and adding the first sodium hydroxide concentrate to an evaporator at a subsequent stage, and adding the steam recovered from the first evaporator to a mechanical vapor recompression device to perform compression, wherein the nth evaporator uses the compressed steam as a heat source.

The present invention relates to a polyester resin composition, a method of preparing the same, and a molded article manufactured using the same. The polyester resin composition according to the present invention may have excellent large-area, low-strain characteristics by using a large-area low-strain material as a raw material, satisfy the physical property balance between mechanical properties, fluidity, and thermal stability, suppress fogging even at high temperatures, and thus provide excellent product reliability and appearance to a molded article manufactured using the polyester resin composition.

The present disclosure relates to an enzyme solution having biodegradable resin degradability and being useful for evaluating the biodegradability of biodegradable resin, and a biodegradability evaluation method for biodegradable resin using the same.

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