Abstract: The present invention relates to a biodegradable resin composition and a biodegradable nonwoven fabric including the same, and more particularly, the biodegradable resin composition includes a biodegradable resin including a first repeating unit derived from a diol having 2 to 4 carbon atoms and a second repeating unit derived from an aliphatic dicarboxylic acid having 2 to 6 carbon atoms; and an inorganic nucleating agent, wherein the biodegradable resin composition has a crystallinity of 15% to 50% as measured using differential scanning calorimetry.

Abstract: The present invention provides a biodegradable resin composition and a biodegradable molded article including the same, wherein the biodegradable resin composition includes: a first biodegradable resin including a first repeating unit derived from a diol, a second repeating unit derived from aromatic dicarboxylic acid, and a third repeating unit derived from aliphatic dicarboxylic acid; and a crystallization accelerator, wherein the crystallization accelerator is included in a content of 100 ppm to 50,000 ppm, and an isothermal crystallization time at 90° C. according to Measurement Method 1 (see the detailed description) is 10 seconds to 900 seconds.

Abstract: Embodiments of the present invention provide a method of manufacturing an eco-friendly biodegradable nonwoven fabric, the method including spinning a biodegradable resin composition to manufacture biodegradable yarns; cooling the biodegradable yarns; and combining the cooled biodegradable yarns to form a biodegradable yarn web, wherein the biodegradable resin composition includes a first biodegradable resin, the first biodegradable resin includes diol, aromatic dicarboxylic acid and aliphatic dicarboxylic acid, and the biodegradable resin composition has a crystallization temperature of 70° C. to 130° C.; a biodegradable yarn; and a biodegradable nonwoven fabric including the biodegradable yarn.

Abstract: Provided are a method of manufacturing a biodegradable nonwoven fabric and a biodegradable nonwoven fabric manufactured by the method. The method includes preparing a biodegradable resin solution including a biodegradable resin composition, which includes a first biodegradable resin, and an organic solvent. The biodegradable resin solution is then spinned by applying a voltage to the biodegradable resin solution. The first biodegradable resin includes diol, aromatic dicarboxylic acid, and aliphatic dicarboxylic acid.

Abstract: Provided is a biodegradable yarn, comprising: a first biodegradable resin composition comprising a first biodegradable resin, wherein the first biodegradable resin includes diol, aromatic dicarboxylic acid and aliphatic dicarboxylic acid, and the first biodegradable resin composition has a melt index of 6 g/10 minutes to 15 g/10 minutes at 190° C. and a crystallization temperature of 40° C. to 85° C.

Abstract: Disclosed is an eco-friendly biodegradable polyester resin composition, including: a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid, wherein an alternating ratio of the polyester resin is 0.3 to 0.7, wherein the alternating ratio is a ratio of a diol, bonded between the aromatic dicarboxylic acid and the aliphatic dicarboxylic acid, among the diol. The diol may include 1,4-butanediol; the aromatic dicarboxylic acid may include terephthalic acid or dimethyl terephthalate; and the aliphatic dicarboxylic acid may include adipic acid. When the biodegradable polyester resin composition is dried at 80° C., placed in a stainless steel mold, and compressed at 210° C. under a pressure of 10 MPa for 3 minutes to produce a polyester sheet having a thickness of 300 ?m, the sheet has a tensile strange range from 40 MPa to 60 MPa, an elongation at break range from 800% to 1100%, and Young's modulus range from 20 MPa to 80 MPa.

Abstract: An eco-friendly biodegradable molded article, including: a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid, wherein, when continuously irradiated with ultraviolet rays from a UVA 340 ultraviolet light lamp at an intensity of 0.75 W/m2, a tensile strength decrease rate from the beginning of the ultraviolet irradiation to 1 day ranges from 5% to 40%.

Abstract: An eco-friendly biodegradable polyester resin composition includes: a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid; and 5000 ppm to 20000 ppm of a hydrophilic regulator having a molecular weight of 400 to 1300.

Abstract: An eco-friendly biodegradable molded article, which includes a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid, wherein a biodegradability per hydrolysis degree of the biodegradable molded article is 1.35 or more, wherein the biodegradability per hydrolysis degree is obtained by dividing a biodegradability after nine weeks by a hydrolysis degree after one week, wherein the biodegradability after nine weeks and the hydrolysis degree after one week are measured by a measurement method below.

Abstract: An eco-friendly biodegradable polyester resin composition includes a polyester resin that includes a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid, wherein a biodegradability per aliphatic carboxylic acid is 1.7 or more, the biodegradability per aliphatic carboxylic acid being a value obtained by dividing a biodegradability after 9 weeks by a ratio of the aliphatic dicarboxylic acid to the total dicarboxylic acid, and the biodegradability after 9 weeks being 85% or more.

Abstract: An eco-friendly biodegradable polyester resin composition, including: a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid, wherein a soft segment ratio of the polyester resin is 0.21 to 0.29, and wherein the soft segment ratio is a ratio of a diol, bonded between the aliphatic dicarboxylic acid and the aliphatic dicarboxylic acid, among the diols.

Abstract: An eco-friendly biodegradable polyester resin composition includes a polyester resin that includes a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid, wherein the first weight swelling rate of the biodegradable polyester resin composition is 4% to 20%.

Abstract: An eco-friendly biodegradable molded article, which includes a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid, wherein a biodegradability per hydrolysis degree of the biodegradable molded article is 1.35 or more, wherein the biodegradability per hydrolysis degree is obtained by dividing a biodegradability after nine weeks by a hydrolysis degree after one week, wherein the biodegradability after nine weeks and the hydrolysis degree after one week are measured by a measurement method below.

Abstract: An eco-friendly biodegradable molded article, including: a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid, wherein, when continuously irradiated with ultraviolet rays from a UVA 340 ultraviolet light lamp at an intensity of 0.75 W/m2, a tensile strength decrease rate from the beginning of the ultraviolet irradiation to 1 day ranges from 5% to 40%.

Abstract: Disclosed is an eco-friendly biodegradable polyester resin composition, including: a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid, wherein an alternating ratio of the polyester resin is 0.3 to 0.7, wherein the alternating ratio is a ratio of a diol, bonded between the aromatic dicarboxylic acid and the aliphatic dicarboxylic acid, among the diol.

Abstract: An eco-friendly biodegradable polyester resin composition includes: a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid; and 5000 ppm to 20000 ppm of a hydrophilic regulator having a molecular weight of 400 to 1300.

Abstract: An eco-friendly biodegradable molded article which includes a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid and has a wet hardness reduction rate of 12% to 25%.