Resources Contact Us Home
Aromatic polyester resin composition and process for production thereof

Image Number 5 for United States Patent #8133955.

An aromatic polyester resin composition, comprising: a melt-kneaded product of 99-70 weight parts of an aromatic polyester resin and 1-30 wt. parts (providing a total of 100 wt. parts together with the aromatic polyester resin) of a polyglycolic acid resin, wherein the composition is characterized by a transesterification rate C.sub.TE (%) of 20-60% determined by formula (1) below based on a peak integration ratio of methylene group in polyglycolic acid appearing at .sigma.4.87 ppm with reference to tetramethylsilane according to .sup.1H-NMR measurement: C.sub.TE (%)=(1-I(B)/I(A)).times.100 (1), wherein I (A): a peak integration ratio of the methylene group of the polyglycolic acid main chain with respect to the alkylene group of the aromatic polyester main chain calculated from the components weight ratio; and I (B): a peak integration ratio of the methylene group of polyglycolic acid main chain to the alkylene group of the aromatic polyester main chain in the resin composition. As a result, the aromatic polyester resin composition obtained by adding a relatively small amount of polyglycolic acid resin is provided with a good harmony of gas-barrier property and transparency.

  Recently Added Patents
Image playback device and method and electronic camera with image playback function
System and method for associating financial transaction data with a user's project data using a portable electronic device
Supplier capability methods, systems, and apparatuses for extended commerce
Secure device sharing
Method of fabricating display device
Apparatus and method for an iterative cryptographic block
Methods and systems for distributing broadcast messages on various networks
  Randomly Featured Patents
Hygiene apparatus for toilets
Efficient detection of error blocks in a DCT-based compressed video sequence
Seroreactive epitopes on proteins of human papilloma-virus (HPV) 18
Touch panel
Firearm barrel having multiple ports and port selector
Method of transferring passengers from vehicles to a station
Support structure for intake system of internal combustion engine
Vehicular ignition interlock system
Method of forming a saddle tree mold
Tracking arrangement