Abstract: A polymer composition is disclosed formed from a cellulose ester polymer, a plasticizer, and at least one strength adjuvant. The strength adjuvant can comprise filler particles. The filler particles are added to the polymer composition in relatively great amounts, such as in amounts greater than 30% by weight.

Abstract: A 5G system comprising at least one antenna element configured to transmit and receive 5G radio frequency signals and at least one electronic component is provided. The antenna element, the electronic component, or both, comprise a polymer composition that includes a liquid crystalline polymer that contains repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 10 mol. % or more. Further, the polymer composition exhibits a dielectric constant of about 5 or less and dissipation factor of about 0.05 or less at a frequency of 10 GHz.

Abstract: An RF filter comprising a resonator element and a polymer composition is provided. The polymer composition contains an aromatic polymer and has a melting temperature of about 240° C. or more. The polymer composition exhibits a dielectric constant of about 5 or less and dissipation factor of about 0.05 or less at a frequency of 10 GHz.

Abstract: A laminate for use in a circuit board is provided. The laminate comprises a conductive layer and a film positioned adjacent to the conductive layer. The film comprises a polymer composition that includes a liquid crystalline polymer and a hydrophobic material. The polymer composition exhibits a dielectric constant of about 5 or less and dissipation factor of about 0.05 or less at a frequency of 10 GHz.

Abstract: A polymer composition that includes an aromatic polyester and an inorganic filler dispersed within the polymer matrix that includes inorganic particles and optionally inorganic fibers is provided. The inorganic filler is present in an amount of from about 60 parts to about 200 parts by weight of the polymer matrix and the inorganic particles are present in an amount of from about 40 to about 200 parts by weight of the polymer matrix. The polymer composition exhibits an in-plane thermal conductivity of about 1.5 W/m-K or more as and a melt flow rate of from about 0.1 to about 50 g/10 min.

Abstract: A polymer composition containing cellulose acetate in combination with one or more impact modifiers is described. The polymer composition can also contain a plasticizer and a bio-based polymer in addition to the cellulose acetate. The polymer composition is formulated so as to have properties similar to petroleum-based polymers for producing, for example, single-use biodegradable articles.

Abstract: A polymer composition hat comprises 100 parts by weight of a polymer matrix that includes at least one polyarylene sulfide and from about 30 parts by weight to about 120 parts by weight of inorganic fibers is provided. The polymer composition exhibits an initial tensile strength and an aged tensile strength after exposure to a solution containing 50 vol. % deionized water and 50 vol. % of ethylene glycol at a temperature of 135° C. for 1,000 hours. The ratio of the aged tensile strength to the initial tensile strength is about 0.8 or more.

Abstract: A laminate for use in a circuit board is provided. The laminate comprises a conductive layer and a film positioned adjacent to the conductive layer. The film comprises a polymer composition that includes a liquid crystalline polymer and a hydrophobic material. The polymer composition exhibits a dielectric constant of about 5 or less and dissipation factor of about 0.05 or less at a frequency of 10 GHz.

Abstract: A polymer composition is disclosed formed from at least one bio-based polymer and at least one odor masking agent. The odor masking agent is designed to control odors by masking the odors during melt processing of the composition without significantly interfering with the optical and/or mechanical characteristics of the composition.

Abstract: Disclosed are porous elements that include sintered polymeric particles. The polymeric particles can be formed of a thermoplastic composition that includes a polyarylene sulfide. The polymeric particles sintered to form the porous elements have a very narrow size distribution. The porous elements can maintain their functionality and morphology even when utilized in high temperature applications.

Abstract: A polymer composition comprising 100 parts by weight of a polymer matrix that includes a polyarylene sulfide and from about 40 to about 200 parts by weight of a plurality of mineral particles dispersed within the polymer matrix is provided. The polymer composition exhibits an in-plane thermal conductivity of about 2.5 W/m-K or more as determined in accordance with ASTM E1461-13(2022).

Abstract: A polymer composition comprising a cellulose ester polymer in combination with a property enhancing agent. The property enhancing agent is combined with the cellulose ester polymer in an amount sufficient to improve at least one physical property. For instance, in one aspect, the melt processing characteristics of the polymer composition can be improved. Alternatively or in addition, molded articles made from the polymer composition can have improved surface characteristics. The property enhancing agent can be an acidic species, such as a diprotic, organic acid.

Abstract: A laser activatable polymer composition is provided. The composition contains a polymer matrix that includes at least one polyarylene sulfide and at least one condensation polymer; at least one laser activatable additive; and inorganic fibers. The polymer composition exhibits a dielectric constant of about 5 or less at a frequency of 2 GHz, a flexural modulus of about 13,500 MPa or more as determined at a temperature of 23° C. in accordance with ISO 178:2019, and a deflection temperature under load of about 260° C. or more as determined in accordance with ISO 75:2013 at a load of 1.8 MPa.

Abstract: A polymer composition containing cellulose acetate in combination with one or more bloom resistant or bio-based plasticizers and optionally one or more bio-based polymers is described. The polymer composition is formulated so as to have properties similar to petroleum-based polymers for producing, for example, single-use biodegradable articles.

Abstract: A polymer composition containing a cellulose ester polymer in combination with one or more plasticizers. One of the plasticizers can be polyethylene glycol. The polyethylene glycol plasticizer can have a number average molecular weight that has been found to improve one or more properties of the composition or of articles made from the composition.

Abstract: A polymer composition is disclosed formed from a polysaccharide ester polymer, a plasticizer, and at least one odor control agent. The odor control agent is designed to control odors and/or acid emissions during melt processing of the composition without significantly interfering with the optical characteristics of the composition.

Abstract: An RF filter comprising a resonator element and a polymer composition is provided. The polymer composition contains an aromatic polymer and has a melting temperature of about 240° C. or more. The polymer composition exhibits a dielectric constant of about 5 or less and dissipation factor of about 0.05 or less at a frequency of 10 GHz.

Abstract: An RF filter comprising a resonator element and a polymer composition is provided. The polymer composition contains an aromatic polymer and has a melting temperature of about 240° C. or more. The polymer composition exhibits a dielectric constant of about 5 or less and dissipation factor of about 0.05 or less at a frequency of 10 GHz.

Abstract: Biodegradable thermoformed articles are disclosed. The thermoformed articles are formed from a biodegradable polymer composition. The polymer composition contains a cellulose ester polymer, a plasticizer, and one or more other additives. Thermoformed articles can be made in accordance with the present disclosure having low haze and high clarity.

Abstract: A polymer composition that comprises 100 parts by weight of at least one thermoplastic aromatic polymer having a melting temperature of about 250° C. or more; from about 10 to about 80 parts by weight of at least one polyamides and from about 50 to about 250 parts by weight of aluminum hydroxide particles is provided. The polymer composition exhibits a comparative tracking index of about 475 volts or more at a thickness of 3 mm as determined in accordance with IEC 60112:2003 and a tensile modulus of about 75 MPa or more as determined in accordance with ISO Test No. 527-1:2019.