摘要:
An impact resistant plastic graft copolymer composition is prepared by1. agglomerating 100 parts by weight in terms of the solids content of a synthetic rubber latex (A) containing small-sized rubber particles by adding 0.1 - 5 parts by weight, in terms of the solids content of a carboxylic acid containing copolymer latex (B) having a pH of at least 4, said copolymer latex being prepared by polymerizing a mixture of monomers comprising 5 - 20% by weight of at least one monomer selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid and crotonic acid and 95-80% by weight of alkyl acrylate having 1 to 12 carbon atoms in the alkyl group, in the presence of at least one anionic emulsifier, and adjusting the pH of the mixed latexes (A) and (B) to not less than 6;2. stabilizing the agglomerated latex with at least one nonionic emulsifier, and3. grafting 93-30 parts by weight of a monomer or mixture of monomers, which is capable of producing a glassy thermoplastic polymer having a glass transition temperature of not less than 50.degree.C in the presence of or onto 7-70 parts by weight in terms of solids content of the agglomerated and stabilized synthetic rubber latex.
摘要:
Disclosed is a lubricant for thermoplastic resins, which is prepared by (A) polymerizing 60-100 wt. % of an aromatic vinyl monomer and 0-40 wt. % of other vinyl monomer copolymerizable therewith to form a polymer, (B) polymerizing 30-70 wt. parts of a monomer or monomer mixture comprising 50-100 wt. % of an acrylic acid ester and 0-50 wt. % of other vinyl monomer or monomers copolymerizable therewith in the presence of 10-60 wt. parts of said polymer so that when said monomer or monomer mixture is singly polymerized, the reduced viscosity of the resulting polymer is lower than 1.0, to obtain a polymer, and (C) polymerizing 5-30 wt. parts of a methacrylic acid ester in the presence of the two-stage polymer obtained at the steps (A) and (B) so that the total amount of the components (A), (B) and (C) is 100 wt. parts. A thermoplastic resin composition comprising this lubricant has an excellent mold release characteristics and lubricating property at the molding step, and a molded article prepared from the composition has a good gloss.
摘要:
A processing aid for a thermoplastic resin is disclosed, which is a two-stage polymer obtained by polymerizing (B) 5 to 50 parts by weight of a monomer or monomer mixture composed mainly of methyl methacrylate in the presence of (A) 50 to 95 parts by weight of a polymer comprising 100 to 50% by weight of units of a methacrylic acid ester other than methyl methacrylate and 0 to 50% by weight of units of other monomer copolymerizable with the methacrylic acid ester and having a reduced viscosity .eta.sp/C not larger than 2.0 dl/g, so that the total amount of the components (A) and (B) is 100 parts by weight and the reduced viscosity .eta.sp of the final polymer is not larger than 2.0 dl/g. A thermoplastic resin having the processing aid incorporated therein has an improved shaping processability, and a shaped article mode therefrom has good surface characteristics.
摘要:
A lubricant for a thermoplastic resin, which is a three-stage polymer obtained by (A) polymerizing 80-100 w.t.% of methyl methacrylate and 0-20 w.t.% of other copolymerizable monomer so that the reduced viscosity .eta.sp/C of the obtained polymer is not higher than 2 dl/g, (B) polymerizing 30-70 weight parts of a monomer mixture composed of 20-80 w.t.% of an acrylic acid ester and 80-20 w.t.% of styrene or a substituted styrene in the presence of 10-60 weight parts of the polymer obtained at stage (A), so that the reduced viscosity .eta.sp/C of the copolymer obtained by polymerizing 5 to 30 weight parts of a monomer or monomer mixture composed of 50-100 w.t.% of a methacrylic acid ester and 0-50 w.t.% of other copolymerizable monomer in the presence of the two-stage polymer formed through stages (A) and (B), is that the total amount of the components used at staged (A), (B) and (C) is 100 weight parts and the reduced viscosity .eta.sp/C of the polymer obtained by polymerizing the monomer or monomer mixture in the absence of the two-stage polymer formed through stages (A) and (B) is not higher than 1.5 dl/g.
摘要翻译:一种热塑性树脂用润滑剂,其是通过(A)使80-100重量%的甲基丙烯酸甲酯和0-20重量%的其它可共聚单体聚合而获得的三段聚合物,使得所得到的均匀的粘度等于或等于 聚合物不高于2dl / g,(B)在存在下聚合30-70重量份由20-80重量%丙烯酸酯和80-20重量%苯乙烯或取代苯乙烯组成的单体混合物 (A)中得到的10-60重量份聚合物,使得通过聚合5至30重量份由50-100重量%的单体或单体混合物组成的单体或单体混合物获得的共聚物的比浓粘度eta sp / C 在(A)和(B)阶段形成的两级聚合物存在下,甲基丙烯酸酯和0-50重量%的其它可共聚单体是分段(A),( B)和(C)为100重量份,并且通过聚合单体获得的聚合物的比浓粘度eta sp / C 或不含由阶段(A)和(B)形成的两级聚合物的单体混合物)不高于1.5dl / g。
摘要:
A lubricant for a thermoplastic resin, which is a three-stage polymer obtained by (A) polymerizing 80-100 w.t. % of methyl methacrylate and 0-20 w.t. % of other copolymerizable monomer so that the reduced viscosity .eta.sp/C of the obtained polymer is not higher than 2 dl/g, (B) polymerizing 30-70 weight parts of a monomer mixture composed of 20-80 w.t. % of an acrylic acid ester and 80-20 w.t. % of styrene or a substituted styrene in the presence of 10-60 weight parts of the polymer obtained at stage (A), so that the reduced viscosity .eta.sp/C of the copolymer obtained by polymerizing 5 to 30 weight parts of a monomer or monomer mixture composed of 50-100 w.t. % of a methacrylic acid ester and 0-50 w.t. % of other copolymerizable monomer in the presence of the two-stage polymer formed through stages (A) and (B), is that the total amount of the components used at staged (A), (B) and (C) is 100 weight parts and the reduced viscosity .eta.sp/C of the polymer obtained by polymerizing the monomer or monomer mixture in the absence of the two-stage polymer formed through stages (A) and (B) is not higher than 1.5 dl/g.
摘要:
Disclosed is a vinyl chloride polymer composition comprising:(i) 100 parts by weight of a vinyl chloride polymer containing at least 80 wt. % of vinyl chloride units, and(ii) 0.05 to 25 wt. parts of a three-stage polymer (II), which is obtained by polymerizing 10 to 30 wt. parts of at least one monomer (B), which is selected from acrylic acid esters, methacrylic acid esters, aromatic vinyl compounds, cyano-vinyl compounds and vinyl ester compounds so that the glass transition temperature of a polymer obtained by separately polymerizing the monomer (B) is 0.degree. to 60.degree. C., in the presence of 45 to 85 wt. parts of a methyl methacrylate polymer (A) containing at least 80 wt. % of methyl methacrylate units; and then polymerizing 5 to 25 wt. parts of a methyl methacrylate monomer or monomer mixture (C) containing at least 80 wt. % of methyl methacrylate in the presence of the obtained copolymer comprising the components (A) and (B) so that the total amount of the components (A), (B), and (C) is 100 wt. parts. The vinyl chloride polymer composition is advantageous in that the gelation speed is high, the parting property at the calendering step is good, adhesion to the vessel wall is not caused at the blending step before the processing, the processability is excellent, and the composition gives a molded articles having a good transparency and a good surface condition.
摘要:
[Problem] To provide a disposable diaper more effective in odor eliminating.[Means for Solving Problem] The above problem is solved by a disposable diaper, comprising a liquid pervious face sheet 30, a liquid impervious sheet 11, an absorbent body 56 interposed therebetween, an outer sheet 12 covering a back surface of the liquid impervious sheet 11, an after-treatment tape on an external surface of a back body part B and an odor eliminating printed sheet 25 interposed between the liquid impervious sheet 11 and the outer sheet 12 in the body part B having the after-treatment tape and formed by printing with ink a sheet base material.
摘要:
A paper diaper and a paper diaper product package. In the paper diaper, a paper diaper product body is formed of at least a top sheet, a back sheet, and an absorbent interposed between these sheets. A plurality of design prints are applied to the paper diaper product body at portions visible from the outside starting at the waist opening end part of a front body portion to the waist opening end part of a rear body portion in the lateral direction of the paper diaper product body. Where the width of the paper diaper product body is A and the width of the face of the design prints is B, the design prints are applied to the paper diaper in the relation of A>B≧⅓A. Also, the paper diaper product package is formed by storing a plurality of paper diaper products with different designs in the same package.
摘要:
A fluoroacrylic polymer having a lubricating effect, which comprises at least one kind selected from units derived from a fluoroalkyl acrylate and units derived from a fluoroalkyl methacrylate as a part or all of structural units and a reducing viscosity .eta.Sp/C not higher than 2 as measured at 25.degree. C. with respect to a solution of 0.1 g of the polymer in 100 ml of chloroform. The fluoroacrylic polymer is incorporated into a thermoplastic resin for rendering an excellent lubricating property thereto.
摘要:
[Problem] To provide a disposable diaper more effective in odor eliminating.[Means for Solving Problem] The above problem is solved by a disposable diaper, comprising a liquid pervious face sheet 30, a liquid impervious sheet 11, an absorbent body 56 interposed therebetween, an outer sheet 12 covering a back surface of the liquid impervious sheet 11, an after-treatment tape on an external surface of a back body part B and an odor eliminating printed sheet 25 interposed between the liquid impervious sheet 11 and the outer sheet 12 in the body part B having the after-treatment tape and formed by printing with ink a sheet base material.