A nonwoven fabric repellent to body fluids and having reduced odor on sterilization by irradiation or steam is made by bonding nonwoven fibers with a latex, forming said nonwoven fabric, and sterilizing said fabric, said latex is prepared by polymerizing, in the presence of 0.1 to 2 weight parts of a free radical initiator and a sufficient amount of a nonionic or anionic emulsifier, 65 to 85 weight parts of a soft hydrophobic monomer having Tg of -80°C to -20°C, 10 to 30 weight parts of a hard hydrophobic monomer having Tg of +40°C to +120°C, 0.1 to 5 weight parts of an unsaturated carboxylic acid containing 3 to 6 carbon atoms, and 0.1 to 5 weight parts of N-alkylol acrylamide or methacrylamide containing 1 to 10 carbon atoms, said latex has post-added and admixed therein 0.01 to 5 weight parts of an odor inhibition agent selected from amine-type antioxidants and hindered phenols that function to reduce odor of said fabric on sterilization thereof.
Method of improving the clarity of propylene polymers
申请人:REXENE PRODUCTS COMPANY (A Delaware Corporation)
公开号:EP0211651A2
公开(公告)日:1987-02-25
Incorporation of an ethoxylated amine in a sodium benzoate nucleated propylene polymer synergistically improves as well as yellowness over what is achieved by use of sodium benzoate or ethoxylated amine alone.
在苯甲酸钠成核丙烯聚合物中加入乙氧基化胺,与单独使用苯甲酸钠或乙氧基化胺相比,可协同改善黄度。
Method for improving the clarity of propylene polymers
申请人:REXENE PRODUCTS COMPANY (A Delaware Corporation)
公开号:EP0213788A2
公开(公告)日:1987-03-11
An injection blow molding grade resin of improved clarity and processability is obtained by incorporating N,N¹-ethylene bisstearamide and an ethoxylated amine into a sodium benzoate nucleated propylene polymer.
Polymer composition of amorphous propylene-containing polymers and low-density ethylene copolymer
申请人:IGI BAYCHEM, INC.
公开号:EP0658598A1
公开(公告)日:1995-06-21
Blended polymer compositions are disclosed comprising an admixture of (a) 2.5% to 80% of an at least partially crystalline ethylene-α-olefin copolymer, said alpha-olefin having four or more carbons and a density of less than 0.90 and (b) from 20 to 95.5% of amorphous propylene containing polymers. The composition can be used for hot-melt adhesive and bitumen blends.
Disclosed herein is a polymer comprising an amorphous syndiotactic rich polyolefin comprising greater than about 50 wt % C
3
-C
40
alpha olefins and having about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer; a heat of fusion of 10 joules/g or less according to the procedure described in ASTM E 794-85; and an ash content of 1 wt % or less. A functionalized amorphous syndiotactic rich polyolefin is also disclosed, along with methods to produce and a method to use the inventive polymer.
本发明公开了一种聚合物,该聚合物包含一种无定形富含辛二聚烯烃,其 C 3 -C 40 α 烯烃含量大于约 50 wt %,并且根据聚合物中存在的 r 和 m 二聚体总数,r 二聚体含量约为 50%至小于约 80%;根据 ASTM E 794-85 中所述程序,熔融热为 10 焦耳/克或更低;灰分含量为 1 wt % 或更低。此外,还公开了一种官能化无定形富含辛二聚烯烃,以及生产和使用本发明聚合物的方法。