{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Chen SC"],"funding":["National Science Council, Taiwan"],"pagination":["349"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12899455"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["18(3)"],"pubmed_abstract":["Shrinkage of injection-molded parts is a major challenge for dimensional accuracy, especially for semi-crystalline polymers where crystallization induces pronounced volume change and heat release during cooling. Because packing pressure is effective only before gate or local solidification, multi-stage packing is commonly used to regulate the overall shrinkage behavior. In practice, however, the solidification/transition temperature taken from standard material tests does not necessarily represent the actual in-cavity state behavior under specific cooling rate and pressure history, which compromises the consistency of P-V-T-based shrinkage prediction. In this study, a modified P-V-T-based framework (Tait equation) is developed for polypropylene (PP) by introducing a Thermal Enthalpy Transf"],"journal":["Polymers"],"pubmed_title":["Experimental Study on the Modified P-V-T Model to Improve Shrinkage Prediction for Injection-Molded Semi-Crystalline Polymer."],"pmcid":["PMC12899455"],"funding_grant_id":["NSTC 114-2224-E-033-001 -"],"pubmed_authors":["Ting YH","Chen SC","Liang YX","Ding CJ"],"additional_accession":[]},"is_claimable":false,"name":"Experimental Study on the Modified P-V-T Model to Improve Shrinkage Prediction for Injection-Molded Semi-Crystalline Polymer.","description":"Shrinkage of injection-molded parts is a major challenge for dimensional accuracy, especially for semi-crystalline polymers where crystallization induces pronounced volume change and heat release during cooling. Because packing pressure is effective only before gate or local solidification, multi-stage packing is commonly used to regulate the overall shrinkage behavior. In practice, however, the solidification/transition temperature taken from standard material tests does not necessarily represent the actual in-cavity state behavior under specific cooling rate and pressure history, which compromises the consistency of P-V-T-based shrinkage prediction. In this study, a modified P-V-T-based framework (Tait equation) is developed for polypropylene (PP) by introducing a Thermal Enthalpy Transf","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026 Jan","modification":"2026-07-08T03:10:53.324Z","creation":"2026-07-08T03:08:24.882Z"},"accession":"S-EPMC12899455","cross_references":{"pubmed":["41682057"],"doi":["10.3390/polym18030349"]}}