Classifications

• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
  • C08F8/00—Chemical modification by after-treatment
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
  • C08F8/00—Chemical modification by after-treatment
  • C08F8/14—Esterification
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
  • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
  • C08L23/04—Homopolymers or copolymers of ethene
  • C08L23/08—Copolymers of ethene
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
  • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
  • C08L23/10—Homopolymers or copolymers of propene
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
  • C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond

Definitions

• the present invention relates to a polymer (P1 ) obtainable by reaction of at least one grafted polyolefin with a compound containing at least two epoxy groups.
• the present invention relates further to a composition containing said polymer (P1 ) and at least one further polymer (P2).
• said composition is processed.
• the present invention also relates to a process for producing the polymer (P1 ) and to a process for producing the composition containing the polymer (P1 ) and the polymer (P2).
• the present invention relates to the use of said polymer (P1 ) to reduce the melt flow rate (MFR), in particular in recycled polyolefins.
• Polyolefins in particular polypropylene (PP), are a well-known class of polymers which can be employed in many different fields.
• An advantage of polyolefins is that products made out of polyolefins can be recycled.
• the loss of molecular weight of polyolefins, in particular of recycled polyolefins, during processing of the polyolefins is a well-known problem.
• the loss of (molecular) weight leads to a reduced melt strength (by consequence, an increased melt flow rate is measured) within the items made from polyolefin during processing, in particular by extrusion applications.
• the processing problem of polyolefins with an increased melt flow rate has already been addressed in literature.
• WO 00/26286 relates to a process for modifying the molecular weight of polyolefins and to a composition comprising a polyolefin and multifunctional epoxides.
• the molecular weight of the polyolefins is modified by adding at least one compound (A), which contains at least one epoxy group and at least one alkenyl group.
• a radical former such as a peroxide, and/or perchlorates are added in addition to compound (A).
• Disadvantages of said method are uncontrolled side reactions due to chain breaking and/or gel formation due to crosslinking, which effects are mainly caused by employing peroxides and/or perchlorates.
• WO 97/301 12 relates to a process for stabilizing polyolefin recyclates, to a stabilizer mixture and to a recycled polyolefin obtainable by said process.
• the polyolefin recyclate is stabilized against oxidative, thermal or light-induced degradation by adding at least one secondary aromatic amine and at least one polyfunctional epoxide to the polyolefin recyclate.
• US-B 6,884,851 relates to a process for producing polyolefins having special rheological and compatibilization properties, as well as to the resulting polyolefins and to their use.
• the polyolefins obtained by said process are grafted polyolefins, which show different melt strength properties compared to polyolefins, which are not grafted.
• the polyolefins to be grafted may be homo- or copolymers based on linear olefins containing from 2 to 8 carbon atoms, such as ethylene, propylene or 1-octene.
• the grafting is carried out with graftable monomers bearing at least one functional group chosen from a carbonyl and an acid anhydride and having a vinyl-unsaturated group.
• the grafted polymers according to US-B 6,884,851 are not reacted further after the grafting.
• EP-A 0 269 275 relates to a thermoplastic elastomer composition having an excellent heat bondability to various resins and metals and having a high rubbery elasticity and a good moldability.
• Said thermoplastic elastomer composition comprises a) a peroxide- crosslinking olefin copolymer rubber, b) an olefinic plastic and c) less than 10 % compared to the amount of components a) and b) of an unsaturated epoxy monomer or an unsaturated hydroxyl monomer.
• Said thermoplastic elastomer composition is partially crosslinked.
• the rubber component a) does not contain any grafted olefin.
• the unsaturated epoxy monomer may be, for example, glycidyl esters of unsaturated monocarboxylic acids such as glycidyl acrylate or glycidyl methacrylate.
• the composition is produced by blending said components and dynamically heat-treating the blend in the presence of an organic peroxide to obtain partial crosslinking.
• US-A 2004/0138381 relates to chain extenders made from epoxy-functional monomers, polymeric compositions and articles made therefrom.
• the chain extender comprises a polymerization product of a) at least one epoxy-functional (meth)acrylic monomer and b) at least one styrenic and/or (meth)acrylic monomer.
• Said chain extender has to fulfill further parameters, such as an epoxy equivalent weight of from about 180 to about 2800.
• Said chain extender can be employed in a chain extended polymeric composition comprising (besides said chain extender) at least one condensation polymer. Within said composition at least a portion of said chain extender has reacted with a portion of said condensation polymer to produce a chain-extended condensation polymer.
• Condensation polymers to be employed are selected from, for example, polyesters, polyamides or polyurethanes.
• the object is achieved by a polymer (P1 ) obtainable by reaction of at least one component a) with at least one component b), wherein a) is at least one polyolefin (A), which is grafted with at least one compound (G), and b) is at least one compound (B) containing at least two epoxy groups.
• a big advantage of the present invention can be found by employing a grafted polyolefin as component a) to obtain the polymer (P1 ). Due to the grafting and the maintained functionality, chain extension can be obtained via a straight forward reaction way resulting in stable bondings of compound (B) to the polyolefin of component a). Since compound (B) contains at least two epoxy groups, at least two (individual) grafted polyolefins according to component a) can be linked together. By consequence, a new and stable polymer (P1 ) is obtained having a significant increase in molecular weight compared to an ordinary polyolefin, which is not grafted.
• the torque of the new polymer (P1 ) is increased compared to a conventional polymer according to component a).
• An additional advantage of the polymer (P1 ) compared to (recycled) polyolefins as described in, for example, WO 00/26286 is that no free radical initiators are employed when preparing the polymer (P1 ) by reacting at least one component a) with at least one component b).
• the method according to WO 00/26286 requires the employment of free radical initiators (radical formers such as peroxides), otherwise the multifunctional epoxides cannot be connected to the polyolefins.
• the polymers (P1 ) according to the present invention can be successfully employed together with different polymers, especially with polyolefins, in particular with recycled polyolefins. Due to the stable bonding and, by consequence, the controlled built up of high molecular weight polyolefin according to polymer (P1 ) of the present invention, the molecular weight decrease of polyolefins, especially recycled polyolefins obtained by processing, can be compensated. This means that the quality/the properties of recycled polyolefins can be significantly increased by adding at least some amount of the novel polymer (P1 ) having an increased molecular weight compared to ordinary polyolefin, which is not grafted and/or not chain-extended.
• the polymer (P1 ) obtainable by reaction of the components a) and b) is defined in more detail.
• a composition containing at least one polymer (P1 ) and at least one further polymer (P2) as well as methods for preparing said polymer (P1 ) or said compositions containing said polymers (P1 ) and (P2) are defined afterwards in the text below.
• the component a), which is used for obtaining a polymer (P1 ), comprises at least one polyolefin (A), which is grafted with at least one compound (G).
• the polyolefin (A) as such may be any polyolefin known to a person skilled in the art, which is not grafted. Suitable polyolefins to be employed as polyolefin (A) are described, for example, in WO 00/26286.
• the polyolefins can be prepared, for example, by radical polymerization or catalytic polymerization.
• the polyolefin may be a homopolymer or a copolymer based on at least two different olefins.
• the polyolefin (A) is a polymer based on (at least one) linear olefins containing from 2 to 8 carbon atoms, such as ethylene, propylene, 1 -butene, 1 -pentene, 1 -hexene and 1 - octene.
• the comonomers are additionally (to the above linear olefins) chosen from 4- vinylcyclohexene, dicyclopentadiene, methylene and ethylidene norbornene, 1 ,3- butadiene, isoprene and 1 ,3-pentadiene.
• the polyolefin (A) is selected from polypropylene (PP), PP- copolymers, polyethylene (PE), or metallocene based polyolefins.
• Polyethylene is preferably low density polyethylene (LDPE), linear low density polyethylene (LLDPE), or high density polyethylene (HDPE).
• LDPE low density polyethylene
• LLDPE linear low density polyethylene
• HDPE high density polyethylene
• the PP copolymer and the metallocene based polyolefins are based on the same monomers as described in the previous paragraph, last two sentences.
• the polyolefin (A) of component a) is polypropylene (PP) or polyethylene (PE).
• the compound (G), which is grafted onto at least one polyolefin (A), may be any compound known to a person skilled in the art known to be useful for being grafted on polyolefins.
• Said compound (G) has at least one functional group, which is still present after being grafted onto at least one polyolefin (A).
• said functional group is able to react with an epoxy group of compound (B) as described below.
• compound (G) may be a graftable monomer bearing at least one functional group chosen from a carbonyl and an acid anhydride.
• graftable monomers examples include unsaturated monocarboxylic or dicarboxylic acids and derivatives thereof and unsaturated monocarboxylic or dicarboxylic acid anhydrides and derivatives thereof.
• the graftable monomer according to compound (G) preferably contains from 3 to 20 carbon atoms.
• further graftable monomers may be employed as a mixture together with at least one compound (G).
• Said further graftable monomers bear a vinyl unsaturated group and, optionally, one or more aromatic rings.
• the compound (G) of component a) is one compound selected from acrylic acid, methyacrylic acid, maleic acid, fumaric acid, itaconic acid, crotonic acid, citraconic acid, maleic anhydride, itaconic anhydride, crotonic anhydride or citraconic anhydride. Most preferably, the compound (G) of component a) is maleic anhydride.
• the component a) according to the present invention is most preferably a polypropylene or polyethylene, which is grafted with maleic anhydride.
• the component b), which is used for obtaining the polymer (P1 ), is at least one compound (B) containing at least two epoxy groups.
• Such compounds are known to a person skilled in the art and are described, for example, in US-A 2004/0138381 or WO 00/26286.
• Component b) / compound (B) may be considered as having the function of a chain extender in respect of component (a).
• the compound (B) according to the present invention may be a polymer or oligomer itself under the provision that - after the compound (B) is produced, for example, by polymerization - said compound (B) still contains at least two epoxy groups.
• the compound (B) of component b) is a polymerization product of b1 ) at least one epoxy-functional (meth)acrylic monomer and b2) at least one styrenic and/or (meth)acrylic monomer.
• Examples of such polymerization products containing at least two epoxy groups to be employed as component b) are styrene (meth)acrylic copolymers having at least two epoxy groups produced from monomers (according to component b1 ) and b2)) of at least one epoxy-functional (meth)acrylic monomer and at least one non-functional styrenic and/or (meth)acrylic monomer.
• (meth)acrylic monomer includes both acrylic and methacrylic monomers and relates to the corresponding esters (acrylate and methacrylate) of acrylic or methacrylic acid such as methyl acrylate and methyl methacrylate.
• Suitable acrylic and methacrylic monomers for use in the context in this invention include, but are not limited to, methyl acrylate, ethyl acrylate, n-propyl acrylate, n-butyl acrylate, n-hexyl acrylate, n-octyl acrylate, cyclohexyl acrylate, isobornyl acrylate, methyl methacrylate, ethyl methacrylate, n-propyl methacrylate, n-butyl methacrylate iso-butyl methacrylate, methylcyclohexyl methacrylate and isobornyl methacrylate.
• epoxy-functional (meth)acrylic monomers for use in the present invention as component b1 ), therefore, include, but are not limited to, those containing 1 ,2-epoxy groups such as glycidyl acrylate and glycidyl methacrylate.
• suitable epoxy- functional monomers include allyl glycidyl ether, glycidyl ethacrylate, and glycidyl itoconate.
• Styrenic monomers for use in the present invention as component b2) include, but are not limited to, styrene, alpha-methyl styrene, vinyl toluene, p-methyl styrene, t-butyl styrene, o-chlorostyrene, vinyl pyridine, and mixtures of these species.
• the styrenic monomers for use in the present invention are styrene and alpha-methyl styrene.
• Preferred monomers according to component b2) are styrene, alpha-methyl styrene and non-functional acrylate or non-functional methacrylate monomers selected from methyl acrylate, n-butyl acrylate, n-hexyl acrylate, cyclohexyl acrylate, isobornyl acrylate methyl methacrylate, n-butyl methacrylate, iso-butyl methacrylate, cyclohexyl methacrylate, and isobornyl methacrylate and combinations thereof.
• the compound (B) according to the above definition has an epoxy equivalent weight (EEW-value) of from about 180 to about 2800 [g/mol], an Efn value of less than about 30, an Efw value of up to about 140, an M w value of less than 25000 [g/mol], and an M n value of less than 6000 [g/mol].
• Efn means the number average epoxy functionality (per polymer chain)
• Efw means the weight average epoxy functionality (per polymer chain)
• M w means weight average molecular weight
• M n means the number average molecular weight.
• the compound (B) containing at least two epoxy groups according to component b) of the present invention is a polymerization product of at least one monomer selected from glycidyl acrylate and glycidyl methacrylate and at least one monomer selected from styrene, methyl acrylate, n-butyl acrylate, n-hexyl acrylate, and methyl methacrylate.
• the polymer (P1 ) is obtainable by a reaction of the component a) and b), wherein component a) reacts via a functional group selected form acid anhydride (-CO-0-CO-), -COOH, -OH or a salt thereof with an epoxy group of compound (B) to obtain the polymer (P1 ).
• component a) reacts via a functional group selected form acid anhydride (-CO-0-CO-), -COOH, -OH or a salt thereof with an epoxy group of compound (B) to obtain the polymer (P1 ).
• the term "salt thereof” only relates to the functional groups -COOH and -OH.
• a suitable salt is, for example, the corresponding Na-salt such as -COO " Na + Since compound (B) contains at least two epoxy groups, it is preferred that at least two of those epoxy groups are reacted with component a), preferably with two individual polymers falling under the definition of compound a).
• said reaction is carried out in absence of any radical formers (free radical initiators), such as peroxides and/or any perchlorates.
• the polymer (P2) may be any polymer known to a person skilled in the art, which does not fall under the above definitions of polymer (P1 ).
• the polymer (P2) is a polyolefin (C).
• the polyolefin (C) may have the same or a different definition compared to the polyolefin (A) according to component a) of polymer (P1 ). This means that the polyolefin (C) is preferably not grafted. More preferably, the polyolefin (C) has the same definition as polyolefin (A) according to component a) of polymer (P1 ).
• the polyolefin (C) is selected from polypropylene (PP), PP- copolymers, polyethylene (PE), or metallocene based polyolefins.
• Polyethylene is preferably low density polyethylene (LDPE), linear low density polyethylene (LLDPE), or high density polyethylene (HDPE).
• LDPE low density polyethylene
• LLDPE linear low density polyethylene
• HDPE high density polyethylene
• the PP copolymer and the metallocene based polyolefins are based on the same monomers as described above in connection with polyolefin (A).
• the polyolefin (C) of component a) is polypropylene (PP) or polyethylene (PE).
• the composition according to the present invention may contain at least one polymer (P1 ) and at least one further polymer (P2) in any suitable ratio known to a person skilled in the art.
• the composition contains 0,2 to 10 wt.-%, more preferably 1 to 5 wt.-%, of polymer (P1 ) related to the amount of polymer (P2).
• the composition according to the present invention may contain besides at least one polymer (P1 ) and at least one further polymer (P2) further components, which are known to a person skilled in the art.
• said components are preferably selected from stabilizers, antioxidants, UV-absorbers, metal deactivators, metal quenchers, phosphites, hydroxylamines, nucleating agents, fillers, reinforcing agents, plasticizers, lubricants, emulsifiers, pigments, catalysts, flow promotors, optical brighteners or antistatic agents, wherein the amount of said further components is 0.1 to 50 wt.-% related to the sum of polymers (P1 ) and (P2).
• a preferred filler is a mineral filler, more preferably talcum.
• a preferred reinforcing agent are glass fibers.
• the composition according to the present invention is a processed composition, preferably the processed composition is a composition, which is compounded and afterwards optionally converted.
• the processing of the composition, in particular the compounding, is preferably carried out, by extrusion. The processing steps such as compounding or conversion are described in more detail below in connection with the process for producing polymer (P1 ) or the composition containing at least one polymer (P1 ) and at least one further polymer (P2).
• the composition contains at least one polymer (P1 ) obtainable by reaction of at least one polyolefin (A) selected from polypropylene (PP), PP- copolymers, low density polyethylene (LDPE), linear low density polyethylene (LLDPE), high density polyethylene (HDPE) or metallocene based polyolefins, which polyolefin (A) is grafted with at least one compound (G) selected from acrylic acid, methyacrylic acid, maleic acid, fumaric acid, itaconic acid, crotonic acid, citraconic acid, maleic anhydride, itaconic anhydride, crotonic anhydride or citraconic anhydride, with at least one compound (B) containing at least two epoxy groups, wherein the compound (B) is a polymerization product of b1 ) at least one epoxy-functional (meth)acrylic monomer and at least one styrenic and/or (meth)acrylic monomer
• said composition is a processed composition, preferably the processed composition is a composition, which is compounded and afterwards optionally converted.
• the processing of the composition, in particular the compounding, is preferably carried out by extrusion.
• Said composition may optionally contain further components, preferably talcum.
• Another subject of the present invention is a process for producing a polymer (P1 ) according to the above definitions and a process for producing a composition according to the above definitions containing at least one polymer (P1 ) and at least one further polymer (P2).
• the polymer (P1 ) may be obtained in the presence or absence of any further polymers, such as polymer (P2).
• component a) according to the above definitions is reacted with component b) according to the above definitions by methods known to a person skilled in the art.
• said reaction is carried out in absence of any radical formers (free radical initiators), such as peroxides and/or any perchlorates.
• the obtained polymer (P1 ) may be processed, preferably compounded and afterwards optionally converted in the presence or absence of any further polymers, such as polymer (P2).
• a composition according to the present invention which composition contains at least one polymer (P1 ) and at least one further polymer (P2). It is preferred to carry out the reaction for producing polymer (P1 ) in the presence of at least one further polymer (P2) in order to obtain said composition.
• a composition according to the present invention by preparing at least one polymer (P1 ) and at least one further polymer (P2) separately and mixing said polymers after the respective production or polymerization process.
• the production of said composition is carried out in absence of any radical formers (free radical initiators), such as peroxides and/or any perchlorates.
• compositions according to the present invention are preferably produced according to a process, wherein component a) and/or component b) according to the above definitions is dispersed in polymer (P2) prior to the production of polymer (P1 ).
• composition according to the present invention is processed, preferably compounded and afterwards optionally converted. Most preferably, the processing of the composition and the production of polymer (P1 ) is carried out simultaneously, in particular during the compounding step.
• Processing of a composition is a technique, which is known to a person skilled in the art. Processing usually comprises the steps of compounding and afterwards optionally converting the compounded polymers. It is quite common that the polymers are obtained as resins and/or powder after carrying out the polymerization step. Processing means that granulates (due to the compounding step) or even specific products (items) such as a blown film or a plastic part (due to the optional conversion step afterwards) are made out of said resins or powders. The step of adding some additional compounds such as stabilizers or additives to the resin or powder is usually carried out together within the compounding step. According to the present invention, the compounding (step) is preferably carried out by extrusion.
• the extrusion within the compounding step may be carried out with any extruder known to be useful by a person skilled in the art.
• the preferred type of extruder is a twin screw extruder, however, a single screw extruder with barrier elements is also possible.
• the extruded composition is preferably obtained as granulates.
• a conversion step may be carried out with the compositions according to the present invention, which composition is preferably provided in the shape of (individual) granulates prior to the conversion step.
• Said conversion (step) can be carried out by any method known to a person skilled in the art in order to obtain specific products (items) such as a blown film or a plastic part.
• the conversion is preferably carried out by extrusion or injection moulding.
• the extrusion techniques within said step comprise film blowing, casting, extrusion blow moulding profile extrusion, sheet thermoforming, and sheet foaming.
• the composition is produced by a process, wherein a mixture of polymer (P2) and component a) is processed, preferably compounded by extrusion and component b) is added during said processing of the mixture of polymer (P2) and component a) in order to produce polymer (P1 ), wherein components a) and b) have the above definitions.
• Another subject of the present invention is the use of a polymer (P1 ) according to the above definitions to reduce the melt flow rate (MFR) in polymers, in particular in recycled polyolefins.
• Example 1 a polymer (P1 ) according to the present invention is prepared in the presence of one further polymer (P2).
• CO-PP relates to said polymer (P2)
• PRIEX25050 and PRIEX25090 relate to component a)
• JoncrylADR4370-S relates to component b) according to the above definition.
• PRIEX25095 and JoncrylADR4370-S are reacted to obtain polymer (P1 ).
• Said polymers or components are all commercially available and are specified as follows: CO-PP: random PP (R520Y) from SK corporation
• PRI EX25095 and PRIEX25050 polypropylene grafted with maleic anhydride (PP-g- MAH) from Addcomp Holland B.V. in The Netherlands.
• the two PRIEX polymers differ in respect of the amount of grafted maleic anhydride (PRI EX25095: 0,465%; PRI EX25050: 0, 1 %)
• JoncrylADR4370S (BASF SE, Ludwigshafen, Germany): polymerization product of at least one epoxy-functional (meth)acrylic monomer and at least one styrenic monomer, which polymerization product contains at least two epoxy groups.
• JoncrylADR4370S has an EEW-value of 285 [g/mol] and a M w -value of 6800 [g/mol].
• the mentioned temperatures are the temperature settings of the successive heating zones of the extruder, starting at the die (end of the extruder, where the composition leaves the extruder) to the zone immediately after feeder (this is the head of the extruder). The first zone, where the raw materials are dropped into the extruder, was not heated
• Sample 5 CO-PP +0.50 %PRIEX25050 +0.05 %JoncrylADR4370S
• Sample 6 CO-PP +0.25 %PRIEX25050 +0.0125 %JoncrylADR4370S
• compositions containing a polymer (P1 ) according to the present invention show reduced MFR values compared to the control sample.
• the torque is measured as a function of time for two samples on a 15 cm 3 DSM Conical Twin-Screw Micro Compounder.
• the experimental conditions are as follows: screw speed: 80 rpm, processing temperature: 220 °C, and total residence time in the extruder: 2 minutes.
• the samples are used without predrying.
• the samples are: 1. PRIEX 15005 (reference: component a) only), and 2. PRIEX 15005 plus 0.6 % of Joncryl ADR4368-CS (polymer (P1 )).
• Priex 15005 is a LDPE from Addcomp Holland B.V., on which 0.45 % of maleic anhydride has been grafted.
• Joncryl® ADR 4368-CS (BASF SE, Ludwigshafen, Germany) is a polymerization product of at least one epoxy-fu notional (meth)acrylic monomer and at least one styrenic monomer, which polymerization product contains at least two epoxy groups.
• JoncrylADR4368-CS has an EEW-value of 285 [g/mol] and a Mw-value of 6800 [g/mol].

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• Chemical & Material Sciences (AREA)
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• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• Organic Chemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Compositions Of Macromolecular Compounds (AREA)
• Epoxy Resins (AREA)
• Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
• Graft Or Block Polymers (AREA)

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• 2012
  • 2012-11-07 JP JP2014540434A patent/JP2014534998A/ja active Pending
  • 2012-11-07 WO PCT/EP2012/072025 patent/WO2013068395A1/en active Application Filing
  • 2012-11-07 IN IN3176CHN2014 patent/IN2014CN03176A/en unknown
  • 2012-11-07 KR KR1020147011945A patent/KR20140088872A/ko not_active Withdrawn
  • 2012-11-07 EP EP12787416.2A patent/EP2776474A1/en not_active Withdrawn
  • 2012-11-07 CN CN201280054061.5A patent/CN103917566A/zh active Pending

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