And the multiple endotherms could be attributed to melting of the recrystallized materials or the secondary lamellae produced during different crystallization processes. The equilibrium melting temperature of PET in the nanocomposites increased with increasing the ATO content. Surface free energy of PET ...
Plastic Melting Temperature Chart:what's the Melting Point of Different Plastic Materials Share Injection molding temperature is critical for plastic injection molding; theproper injection moldingtemperature ensures product quality and manufacturing efficiency. As aninjection mold manufacturer,we will demonstrate...
The changes in the first melting temperature are caused by radiation-induced links that decrease the melt entropy and increase the flod surface free-energy-per-unit area of chain-folded polyethylene crystals. These effects are dependent on the lamellar thickness distribution and on the types of ...
The temperature at which a solid becomes a liquid. For a given substance, the melting point of its solid form is the same as the freezing point of its liquid form. The melting point of ice is 32°F (0°C); that of iron is 2,797°F (1,535°C). ...
The alloy is prepared from the following materials in parts by mass: 100 parts of PET/PBT resin (PET:PBT=30-70:70-30), 0.5-1 part of an antioxidant and 0.5-2 parts of a nucleating agent. The high-strength low-melting-temperature low-warpage PET/PBT alloy disclosed by the invention ...
PURPOSE:To measure the melting point temperature of a high melting-point material accurately, by a constitution wherein a material having specified relationship with a material to be measured with respect to the melting point, specific gravity, emissivity and the like is provided in the material to...
The peak at lower temperature was due to the melting of the initial crystal lamellae formed during the isothermal crystallization. When the temperature is increased, the initial crystal lamellae were melted and recrystallized to induce a higher melting peak during the heating scan. The occurrence of...
Influences of low melting point and semi - crystalline EVA on the structure, conductive behavior and positive temperature coefficient (PTC) of PS-HI/CB system were studied by means of XRD, DSC and SEM. 采用XRD、DSC、SEM等研究了低熔点、半结晶聚合物EVA对非晶聚合物高抗冲聚苯乙烯/炭黑(PS-HI...
The copolyesters possess a nematic melt over a broad temperature range. Thermomechanical analyses under low pressure (0.05 kg/mm 2 ) gave heat distortion temperatures close to the melting points ( Tm 1 ), and under high pressure (1... HR Kricheldorf,R Pakull,S Buchner - 《Journal of Poly...
Temperature-modulated differential scanning calorimetry allows the measurement of the total heat capacity, the so-called reversing heat capacity, and their difference, the so-called nonreversing heat capacity. There is an ongoing controversy about the meaning of these quantities in the melting region of...