Modification of poly(butylene succinate) with biodegradable glycolic acid: Significantly improved hydrolysis rate retaining high toughness property

2021 ◽  
pp. 52106
Author(s):  
Yue Ding ◽  
Jingxi Wang ◽  
Congcong Luo ◽  
Bing Yao ◽  
Liming Dong ◽  
...  
Keyword(s):  
Glycolic Acid ◽  
Hydrolysis Rate ◽  
Butylene Succinate ◽  
High Toughness

Experimental and Theoretical Study on Glycolic Acid Provided Fast Bio/Seawater-Degradable Poly(Butylene Succinate-co-Glycolate)

2021 ◽  
Vol 9 (10) ◽  
pp. 3850-3859
Author(s):  
Han Hu ◽  
Jiayi Li ◽  
Ying Tian ◽  
Chao Chen ◽  
Fenglong Li ◽  
...  
Keyword(s):  
Glycolic Acid ◽  
Theoretical Study ◽  
Butylene Succinate

Use of diisocyanate to enhance the flame-retardant, mechanical and crystalline properties of poly (butylene succinate-co-butylene 3-hydroxyphenylphosphinyl-propionate) (PBSH)

2020 ◽  
Vol 40 (5) ◽  
pp. 409-414
Author(s):  
Tian-Xiang Jin ◽  
Miao-miao Wu ◽  
Jin-bo Ou-yang ◽  
Qin Zhang
Keyword(s):  
Chemical Structure ◽  
Oxygen Index ◽  
Hydrolysis Rate ◽  
Structure And Properties ◽  
Reactive Blending ◽  
Scanning Calorimetry ◽  
Butylene Succinate ◽  
Limiting Oxygen Index ◽  
Methylene Diphenyl Diisocyanate ◽  
Ft Ir

AbstractPoly (butylene succinate-co-butylene-3-hydroxyphenylphosphinyl-propionate) (PBSH) was synthesized through polycondensation. Then, 4,4′-methylene diphenyl diisocyanate (MDI) was introduced into PBSH matrix by reactive blending. The chemical structure and properties of the blending products were investigated using Fourier Transform Infrared Spectroscopy (FT-IR), differential scanning calorimetry (DSC), limiting oxygen index (LOI) tests, thermogravimetric analysis (TGA), and vertical burning tests. The results proved that MDI can improve the mechanical properties and flame retardancy of PBSH. In addition, it was found that the crosslinking structure can reduce the hydrolysis rate of PBSH and effectively eliminate the melt-dripping of PBSH during combustion.

AISI 4320

Alloy Digest ◽  
1959 ◽  
Vol 8 (2) ◽  
Keyword(s):  
Fracture Toughness ◽  
Corrosion Resistance ◽  
Physical Properties ◽  
Heat Treating ◽  
Case Hardening ◽  
High Toughness ◽  
Nickel Chromium ◽  
Steel Mills ◽  
Shock Resistance ◽  
Case Hardening Steel

Abstract AISI 4320 is a nickel-chromium-molybdenum case hardening steel having high toughness and shock resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SA-80. Producer or source: Alloy steel mills and foundries.

AISI 8630

Alloy Digest ◽  
1956 ◽  
Vol 5 (10) ◽  
Keyword(s):  
Fracture Toughness ◽  
Low Temperature ◽  
Physical Properties ◽  
Tensile Properties ◽  
Alloy Steel ◽  
Heat Treating ◽  
High Tempering ◽  
High Toughness ◽  
Steel Mills ◽  
Temperature Performance

Abstract AISI 8630 is a chromium, nickel, molybdenum alloy steel. It is of the moderate deep hardening type and develops high toughness at high tempering temperatures. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on low temperature performance as well as forming, heat treating, machining, and joining. Filing Code: SA-49. Producer or source: Alloy steel mills and foundries.

UNS T20819

Alloy Digest ◽  
1989 ◽  
Vol 38 (2) ◽  
Keyword(s):  
Elevated Temperatures ◽  
Hot Extrusion ◽  
Heat Treating ◽  
High Toughness ◽  
Extrusion Dies ◽  
Extrusion Die ◽  
Steel Mills ◽  
Temperature Performance ◽  
Heat Checking ◽  
Resistance To Heat

Abstract UNS T20819 is a hot-work tool and die steel that is characterized by excellent resistance to shock and abrasion at elevated temperatures. This steel provides relatively high toughness and outstanding resistance to heat checking and softening at elevated temperatures. Among its many applications are hot-punch tools, forging dies and inserts, brass extrusion dies, permanent molds for brass casting and hot-extrusion die inserts for steel. This datasheet provides information on composition, hardness, and tensile properties as well as fracture toughness. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: TS-496. Producer or source: Tool steel mills.

COMPAX

Alloy Digest ◽  
1988 ◽  
Vol 37 (3) ◽  
Keyword(s):  
Wear Resistance ◽  
Compressive Strength ◽  
Physical Properties ◽  
Surface Treatment ◽  
Tool Steel ◽  
Dimensional Stability ◽  
Heat Treating ◽  
High Toughness ◽  
Steel Corporation

Abstract COMPAX is a chromium-molybdenum shock-resistant tool steel characterized by high toughness, good wear resistance, good through hardening and good dimensional stability during hardening. This datasheet provides information on composition, physical properties, hardness, elasticity, and compressive strength. It also includes information on heat treating, machining, joining, and surface treatment. Filing Code: TS-488. Producer or source: Uddeholm Steel Corporation.

DILLIMAX 500

Alloy Digest ◽  
2012 ◽  
Vol 61 (3) ◽  
Keyword(s):  
Fracture Toughness ◽  
Yield Strength ◽  
Physical Properties ◽  
Structural Steel ◽  
Tensile Properties ◽  
High Strength ◽  
Heat Treating ◽  
Fine Grained ◽  
High Toughness ◽  
Minimum Yield

Abstract Dillimax 500 is a high-strength quenched and tempered, fine-grained structural steel with a minimum yield strength of 500 MPa (72 ksi). Plate is delivered in three qualities: basic, high toughness, and extra tough. This datasheet provides information on composition, physical properties, and tensile properties as well as fracture toughness. It also includes information on surface qualities as well as forming, heat treating, and joining. Filing Code: SA-645. Producer or source: Dillinger Hütte GTS.

CYCLOPS N9

Alloy Digest ◽  
1958 ◽  
Vol 7 (6) ◽  
Keyword(s):  
Fracture Toughness ◽  
Physical Properties ◽  
Tensile Properties ◽  
Fatigue Resistance ◽  
Heat Treating ◽  
High Toughness

Abstract CYCLOPS N-9 is a chromium-nickel oil hardening steel with high toughness and fatigue resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-71. Producer or source: Cyclops Corporation.

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