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Henan Tongwei Medical Equipment Co., LtdCall us : +86 − −19139704654 // Email us : [email protected]
Henan Tongwei Medical Equipment Co., LtdCall us : +86 − −19139704654 // Email us : [email protected]
In this study a novel chemical surface modification method of polyolefin membranes is applied following the in-situ chlorinating graft copolymerization (ISCGC) Polypropylene (PP)/methyl methacrylate (MMA) system was used as an example A unique structure was formed by the modification process on the original membrane surface and the product exhibited an environmental
The polypropylene melt-blown nonwoven membrane (PPM) is widely used in healthcare however the highly hydrophobic nature of the PPM readily adsorbs proteins and polysaccharides which are conducive to bacteria being retained in the network resulting in
2007/10/1Free Online Library: Study on grafting maleic anhydride onto polypropylene in microcolloid systems by coirradiation by Polymer Engineering and Science Engineering and manufacturing Science and technology general Colloid chemistry Research Irradiation
melt viscosity In the study [17] it was established that addition of compatibiliser like PE-itaconic acid graft copolymer into PE/plasticized starch blend a more homogeneous structure of composite films is formed that is characterized by the absence
2007/10/1Free Online Library: Study on grafting maleic anhydride onto polypropylene in microcolloid systems by coirradiation by Polymer Engineering and Science Engineering and manufacturing Science and technology general Colloid chemistry Research Irradiation
The graft copolymerization of acrylamide with PBT melt-blown nonwoven fabric was studied by using potassium per-manganate/sulfuric acid as an initiator The effects of modification conditions such as methylbenzene and potassium permanganate concentrations etc on graft
In this study the effect of surface modification of Pal on nanofiller dispersion and the enhancement of properties was evaluated on polypropylene (PP) nanocomposites prepared by melt compounding using polypropylene grafted maleic anhydride (PP-g-MAH) as
TEM observations demonstrate that the mean diameter of CdS nanocrystals inside the poly(PP-graft-GMA-IDA) fibers alters from 2 nm to 8 nm at various concentrations of S2- solution Additionally SEM presents that the CdS nanocrystals on the surface have rod-like structure
2010 - Mohammad Reza Badrossamay and Gang Sun A study of radical graft copolymerization on polypropylene during extrusion using two peroxide initiators Polymer International V59 155-161 2010 - Kyung Hwa Hong and Gang Sun Photoactive Antimicrobial Agents/Polyurethane finished leather Journal of Applied Polymer Science
1 4GRAFTED POLYPROPYLENE SUSPENSION GRAFT TECHNOLOGY Powdered PP grafting monomer a dispersing agent A co-reactant a dispersion time of deionized water heated to 90 ℃ the amount of BPO was added portionwise a solution of the reaction for 2 hours filtered washed and dried
2009/2/1Free Online Library: Graft polymerization of N-tert-butylacrylamide onto polypropylene during melt extrusion and biocidal properties of its products (Technical report) by Polymer Engineering and Science Engineering and manufacturing Science and technology
The air plasma induces melt grafting of pentaerythritol triacrylate onto polypropylene which successfully introduces polar long‐chain branching (LCB) structure into polymer bulk The results of X‐ray photoelectron spectroscopy show that C─O and C O oxygen‐containing functional groups are formed on polypropylene surface of which the functional groups contents can reach 24 4 and 12 0%
Modification of a polypropylene feed spacer with metal Surface modification of polypropylene feed spacers typical of spiral wound membrane modules was studied by generation of crystalline ZnO nanorods A seeding layer made by deposition of ZnO nanoparticles
In this study N-vinyl-2-pyrrolidone (NVP) was grafted onto polypropylene non-woven fabric (PPNWF) through a simultaneous irradiation induced graft polymerization technique Effect of the parameters of graft polymerization i e monomer concentration absorbed
Polypropylene fiber (PP) was radiation-induced graft polymerization of lauryl acrylate (LA) and butyl acrylate (BA) In the present study the graft polymerization of LA and BA onto PP monofilament is Vol 1 No 1 76 carried out by a radition-induced grafting
2014/1/1Graft modification of chlorinated polypropylene and coating performance promotion for polypropylene S S Wang Z Q Zhao N Wang J R Zhao Y FengStructure and mechanism of functional isotactic polypropylene via in situ chlorination graft Polym Int 60
We report the graft copolymerization of acrylic acid onto the polypropylene (PP) melt‐blown nonwovens induced by electron beam (EB) preirradiation in this article The occurrence of the graft copolymerization was confirmed by means of XPS FTIR and SEM The
1 4GRAFTED POLYPROPYLENE SUSPENSION GRAFT TECHNOLOGY Powdered PP grafting monomer a dispersing agent A co-reactant a dispersion time of deionized water heated to 90 ℃ the amount of BPO was added portionwise a solution of the reaction for 2 hours filtered washed and dried
The polypropylene melt-blown nonwoven membrane (PPM) is widely used in healthcare however the highly hydrophobic nature of the PPM readily adsorbs proteins and polysaccharides which are conducive to bacteria being retained in the network resulting in
We report the graft copolymerization of acrylic acid onto the polypropylene (PP) melt‐blown nonwovens induced by electron beam (EB) preirradiation in this article The occurrence of the graft copolymerization was confirmed by means of XPS FTIR and SEM The
2 1 Materials Homopolymer Moplen V30S a fiber grade polypropylene (PP) produced by the Arak Petrochemical Co (Arak Iran) with melt flow rate (MFR) of 18 g/10 min (2 16 kg 230 C) TG-641 a textile grade polyethylene terephthalate (PET) provided by Shahid Tondguyan Petrochemical Co (Khuzestan Iran) with intrinsic viscosity of 0 64 dL/g and a DuPont commercial product Fusabond P
2001/4/1Free-radical melt grafting of the multi-monomer system of maleic anhydride (MAH)/styrene (St) onto polypropylene (PP) was studied using a single-screw extruder The effects of St and initiator concentrations on the grafting reaction were investigated It was shown
2007/10/1Free Online Library: Study on grafting maleic anhydride onto polypropylene in microcolloid systems by coirradiation by Polymer Engineering and Science Engineering and manufacturing Science and technology general Colloid chemistry Research Irradiation
The polypropylene melt-blown nonwoven membrane (PPM) is widely used in healthcare however the highly hydrophobic nature of the PPM readily adsorbs proteins and polysaccharides which are conducive to bacteria being retained in the network resulting in
2001/4/1Free-radical melt grafting of the multi-monomer system of maleic anhydride (MAH)/styrene (St) onto polypropylene (PP) was studied using a single-screw extruder The effects of St and initiator concentrations on the grafting reaction were investigated It was shown
The α-β transition of isotactic polypropylene (PP) under stress hasn't received much attention although it may cause deterioration of mechanical properties PP was modified by grafting polyfunctional monomer pentaerythritol tetra-acrylate (PETeA) carried out in a Haake mixer at 180nbsp C in the presence of 2 5-dimethyl-2 5-di(tert-butylperoxy) hexane peroxide (DDHP) to enhance the melt
2019/5/7In this work linear isotactic polypropylene (L-PP) and long-chain branched polypropylene (LCB-PP) miscible blend both having comparable weight average molecular weight zero-shear viscosity and polydispersity index were used to produce nonwovens via melt
The PP used in this study is isotactic polypropylene (iPP) with a melt flow index of 3g/10 min which was provided by Maoming Petrochemical Company China The maleic anhy-dride (MAH) and dicumyl peroxide (DCP initiator) were pur - chased from Aladdin
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