摘要:
A cord holder is disclosed. The cord holder comprises a strap with a strap middle portion extending between a first strap end and a second strap end opposing the first strap end. At least one slit is disposed between the first strap end and the second strap end. A cord is coupled to the strap with a first cord end of the cord extending through the at least one slit and a second cord end of the cord disposed over a side of the strap away from the first strap end. The first strap end and the second strap end assume a wrapped position over the cord when the first strap end bends upon the side of the strap and wraps over a first portion of the cord and the second strap end bends upon the side of the strap and wraps over a second portion of the cord.
摘要:
A sheet formed from a uniform blend of from about 80 to 97% by weight of polyethylene terephthalate having an intrinsic viscosity of above about 0.9 and a melt viscosity at 525.degree. F. of above about 10,000 poises and correspondingly from about 20 to 3% by weight of a polycarbonate resin having an intrinsic viscosity of about 0.4 to 0.6 and a melt viscosity at 500.degree. F. of less than 50,000 poises; said sheet having a haze value as determined by ASTM D-1003 of less than about 2% and being essentially amorphous and non-oriented. Also disclosed is a process for forming a sheet which comprises uniformly blending the composition, extruding the composition into a sheet at a temperature between about 490.degree. to 530.degree. F. and rapidly cooling the sheet by contact with at least one cooling surface maintained at a surface temperature in the range of about 50.degree. to 160.degree. F. for a period of time not exceeding about 15 seconds. Containers may be formed from such sheets by a thermoforming step at temperatures in the range of about 210.degree. to 280.degree. F.
摘要:
Disclosed is a polyamide film of low crystallinity suitable for use in the manufacture of sheet molding compound (SMC). The sheet is produced from a blend comprising a polyamide selected from the group consisting of polyepsiloncaprolactam, polyhexamethylene adipamide or mixtures thereof, and about 10 to 30 wt. %, based on the total weight of said blend, of a polyolefin compound, or copolymer thereof, such as ethylene-vinyl acetate copolymer. The film has a tear strength of at least about 400 grams in the longitudinal direction as measured by ASTM D-1004-66.
摘要:
Disclosed is a polyamide film of low crystallinity suitable for use in the manufacture of sheet molding compound (SMC). The sheet is produced from a blend comprising a polyamide selected from the group consisting of polyepsiloncaprolactam, polyhexamethylene adipamide or mixtures thereof, and about 10 to 30 wt. %, based on the total weight of said blend, of a polyolefin compound, or copolymer thereof, such as ethylene-vinyl acetate copolymer. The film has a tear strength of at least about 400 grams in the longitudinal direction as measured by ASTM D-1004-66.
摘要:
A sheet formed from a uniform blend of from about 80 to 97% by weight of polyethylene terephthalate having an intrinsic viscosity of above about 0.9 and a melt viscosity at 525.degree. F. of above about 10,000 poises and correspondingly from about 20 to 3% by weight of a polycarbonate resin having an intrinsic viscosity of about 0.4 to 0.6 and a melt viscosity at 500.degree. F. of less than 50,000 poises; said sheet having a haze value as determined by ASTM D-1003 of less than about 2% and being essentially amorphous and non-oriented. Also disclosed is a process for forming a sheet which comprises uniformly blending the composition, extruding the composition into a sheet at a temperature between about 490.degree. to 530.degree. F. and rapidly cooling the sheet by contact with at least one cooling surface maintained at a surface temperature in the range of about 50.degree. to 160.degree. F. for a period of time not exceeding about 15 seconds. Containers may be formed from such sheets by a thermoforming step at temperatures in the range of about 210.degree. to 280.degree. F.
摘要:
This invention provides a film or sheet capable of being thermoformed into a shaped article and being formed from a blend of about 60 to 85 parts by weight of a polyethylene terephthalate polymer having an intrinsic viscosity of at least about 0.90 and correspondingly about 40 to 15 parts by weight of a polycarbonate polymer, the polyethylene terephthalate portion of the film or sheet having a degree of crystallinity in the range of about 20 to 40%. The film is essentially non-oriented. The present invention also provides shaped articles thermoformed from such film or sheet, such as cook-in-trays. Moreover, this invention provides a process of forming such film or sheet which comprises the steps of blending about 60 to 85 parts by weight of a polyethylene terephthalate polymer having an intrinsic viscosity of at least about 0.90 with correspondingly about 40 to 15 parts by weight of a polycarbonate resin, extruding the resultant blend at a temperature of above about 500.degree.F onto a moving support such as a casting roll while maintaining the surface of the support at a temperature of about 225.degree. to 380.degree.F whereby a film or sheet of the blend is formed, and collecting the thus formed film or sheet.
摘要:
Described herein are various principles related to collecting and charting fertility data for a female (e.g., female humans). A dedicated device may be used to collect fertility data regarding the female. The device may include a thermometer for collecting a body temperature of the female as well as an interface for collecting data regarding a consistency and/or amount of a cervical fluid of the female. Once collected by the dedicated device, the fertility data may be transmitted wirelessly from the dedicated device via a wireless network (e.g., a wireless local area network) to a server that collects fertility data. The fertility data may then be displayed in a graph that enables a user to make determinations about a fertility cycle of the female, including determinations about times of high fertility. For example, from viewing the relationship between two lines included in the graph, the user may make determinations regarding fertility.
摘要:
Compositions comprising polyamides, polyolefins and ethylene vinyl alcohol copolymers useful as compatabilizers, related processes and articles made therefrom. A composition comprising from 50 to 99.4 percent by weight of a polyolefin, from 0.5 to 50 percent by weight of polyamide, from 0.1 to 10 percent by weight of an ethylene vinyl alcohol copolymer comprising from 50 to 95 mole percent ethylene groups and from 5 to 59 mole percent vinyl alcohol groups and less than 5.0 mole percent and preferably less than 2.0 mole percent unhydrolyzed vinyl acetate groups.
摘要:
Thin polymer films containing small sized platelet type filler. The polymer has a melt index of from 0.01 to 10 grams per 10 minutes at 190.degree. C. to 250.degree. C. as measured on ASTM Test No. D-1238 at a load of 1000 to 2160 grams. The preferred polymer is polycaprolactam or high density polyethylene. There is from 10 to 50 percent of a platelet filler having an average equivalent diameter of from 1 to 8 micrometers, a maximum equivalent diameter of about 25 micrometers, and an average thickness of less than 0.5 micrometers. The preferred filler is talc. The film is from 10 to 100 micrometers thick and can be a single ply or a laminate.
摘要:
A composition of matter comprising a polyamide, preferably polyepsiloncaprolactam, and from 1 to 65 percent of an ethylene vinyl alcohol copolymer. The composition is useful for making moldings, films, and fibers.