scholarly journals Test Methods of Physical Properties of Coating Film

1974 ◽  
Vol 47 (9) ◽  
pp. 436-444 ◽  
Author(s):  
Kenji UEKI
Keyword(s):  
Physical Properties ◽  
Test Methods ◽  
Coating Film

Preparation of Poly(Lactic Acid) Acrylate for UV-Curable Coating Applications

2015 ◽  
Vol 659 ◽  
pp. 570-574 ◽  
Author(s):  
Apinya Musidang ◽  
Nantana Jiratumnukul
Keyword(s):  
Lactic Acid ◽  
Physical Properties ◽  
High Efficiency ◽  
Low Energy ◽  
Poly Lactic Acid ◽  
Coating Film ◽  
Pencil Hardness ◽  
Uv Curable ◽  
Low Energy Consumption ◽  
Volatile Organic

UV-curable process is widely used for paints, inks and adhesives due to its rapid curing, low energy consumption, high efficiency and low volatile organic compounds (VOCs). The objective of this research is to prepare poly(lactic acid) (PLA) based UV-curable coating by using glycolyzed PLA. PLA was glycolyzed by ethylene glycol (EG) at 170°C for 90 minutes. The obtained glycolyzed PLA was reacted with methacrylic anhydride (MAAH) to provide PLA acrylate oligomer. The obtained PLA acrylate oligomer was used in coating formulations with various amounts of photoinitiator and cured under UV radiation. Physical properties of cured coating film were investigated such as pencil hardness, gloss and haze. The results showed that poly(lactic acid) (PLA) based UV-curable coating provided good physical properties.

The Physical Properties of a Hyaluronic Acid Based Bioresorbable Membrane for the Prevention of postsurgical Adhesions

1992 ◽  
Vol 292 ◽  
Author(s):  
K. Greenawalt ◽  
L. Masi ◽  
C. Muir ◽  
J. Burns
Keyword(s):  
Hyaluronic Acid ◽  
Physical Properties ◽  
Tensile Properties ◽  
Adhesion Formation ◽  
Test Methods ◽  
Bioresorbable Membrane ◽  
Surgical Adhesions ◽  
Thin Membranes ◽  
High Degree ◽  
Sufficient Strength

AbstractWe have evaluated the physical properties and animal efficacy of a hyaluronic acid (HA) based bioresorbable membrane for the prevention of post-surgical adhesions. Test methods were developed to measure the dry and wet tensile properties and ia Xilm tissue adhesiveness of the membranes. The thin membranes were found to have sufficient strength and flexibility in the dry state for surgical handling. When hydrated in buffered saline, the membranes became weaker and more elastic. The membranes exhibited a high degree of tissue adhesiveness and significantly reduced adhesion formation in a rat cecal abrasion model.

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