Cited by Design and Synthesis of Biobased, Biodegradable Polyester for Chewing Gum

Design and Synthesis of Biobased, Biodegradable Polyester for Chewing Gum DOI

и другие.

Macromolecular Rapid Communications, Год журнала: 2025, Номер unknown

Опубликована: Май 4, 2025

Abstract Conventional chewing gum (CG) consisting of sweeteners and unbiodegradable base (CGB) has caused severe pollution to the environment. To address this issue, work designs synthesizes a partially crosslinked biobased biodegradable polyester elastomer replace high molecular weight rubber in traditional CG for elasticity, along with resin glass transition temperature ( T g ) ≈38 °C provide plasticity CG. Subsequently, is prepared. Poly(1,3‐propanediol/glycerol/sebacate/succinate) (PPGSeSu) elastomers adjustable gel content good elasticity are synthesized by adjusting glycerol, poly(2,3‐butanediol/isosorbide/succinate) (PBIS) resins 8–65 prepared tuning molar ratio isosorbide 2,3‐butanediol. As result, fully biobased, similar performance that commercially available ones achieved using PPGSeSu‐25%P (with 8.58% content) PB 50 I S = 38 °C). The biodegradation rate new 75.52% after 97 d, its properties comparable those according texture profile analysis results.

Язык: Английский

Enhancing Rigid Polyurethane Foam Properties with Lignin-Based Core–Shell Intumescent Flame Retardants DOI

Feiyu Tian,

Yutao Wu,

Haocheng Xu

и другие.

ACS Sustainable Chemistry & Engineering, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 29, 2024

Lignin, an abundant polyphenolic biomass, has excellent carbonization potential, making it highly promising for developing ecofriendly flame retardants. This study combined ammonium polyphosphate (APP) and alkaline lignin (AL) to create a novel core–shell retardant, APP@AL. APP@AL was then applied rigid polyurethane (RPU) foam improve its flame-retardant performance interfacial compatibility with the matrix. Results showed that mean heat release rate total of RPU decreased by 76.8% 65.9%, reaching 58.61 kW/m2 19.09 kW/m2, respectively, along significant improvement in smoke suppression, TSP 1.67 m2. The retardant content each 25 wt % polymethylene polyphenyl isocyanate. mechanism further explained analyzing char layer structure pyrolysis gas-phase products. Moreover, enhanced RPU, as verified digital image correlation, which demonstrated improved stress transfer efficiency during compression. Compared unmodified foam, APP@AL-modified 10.3% increase compressive strength 6.2% reduction thermal conductivity. work provided strategy insulation, reinforcement, suppression foams.

Язык: Английский

Процитировано

Mechanically interlocked loofah-like network morphology enables high durability of shape memory and recovery for PCL/TPU blend DOI