There is described an acrylic polyester resin, obtainable by grafting an acrylic polymer with a polyester material. The polyester material is obtainable by polymerizing (i) a polyacid component, with (ii) a polyol component. At least one of the polyacid component and/or the polyol component comprises a monomer having an aliphatic group containing at least 15 carbon atoms. At least one of the polyacid component and/or the polyol component comprises a functional monomer operable to impart functionality on to the polyester resin, such that an acrylic polymer may be grafted with the polyester material via the use of said functionality. Also provided is an aqueous coating composition comprising the acrylic polyester resin and a packaging coated with the composition.

There is described an acrylic polyester resin, obtainable by grafting an acrylic polymer with a polyester material. The polyester material is obtainable by polymerizing (i) a polyacid component, with (ii) a polyol component. At least one of the polyacid component and/or the polyol component comprises a monomer having an aliphatic group containing at least 15 carbon atoms. At least one of the polyacid component and/or the polyol component comprises a functional monomer operable to impart functionality on to the polyester resin, such that an acrylic polymer may be grafted with the polyester material via the use of said functionality. Also provided is an aqueous coating composition comprising the acrylic polyester resin and a packaging coated with the composition.

A method for preparing a semi-rigid melamine foam plastic, comprising Step (1): adding a formaldehyde solution and polyvinyl alcohol (PVA) to a reactor, heating the reactor, and adding alkali; Step (2): feeding solid melamine powder and a modifier 3-aminopropyltriethoxysilane (APTES) into the reactor, raising the temperature in the reactor to 75-85° C., adjusting the pH value of the solution of material by adding acid; heating the solution of material, performing a heat preservation reaction, and then adding alkali, Step (3): feeding a predetermined amount of foaming agent, emulsifier, auxiliary agent and curing agent into a stirring reactor to obtain a mixed auxiliary agent; pumping the mixed auxiliary agent and the semi-rigid modified melamine resin into an emulsifier; placing the emulsified resin into a microwave heating chamber for microwave foaming; Step (4): cutting the semi-rigid melamine foam plastic obtained in step (3) and then drying.

A method for preparing a semi-rigid melamine foam plastic, comprising Step (1): adding a formaldehyde solution and polyvinyl alcohol (PVA) to a reactor, heating the reactor, and adding alkali; Step (2): feeding solid melamine powder and a modifier 3-aminopropyltriethoxysilane (APTES) into the reactor, raising the temperature in the reactor to 75-85° C., adjusting the pH value of the solution of material by adding acid; heating the solution of material, performing a heat preservation reaction, and then adding alkali, Step (3): feeding a predetermined amount of foaming agent, emulsifier, auxiliary agent and curing agent into a stirring reactor to obtain a mixed auxiliary agent; pumping the mixed auxiliary agent and the semi-rigid modified melamine resin into an emulsifier; placing the emulsified resin into a microwave heating chamber for microwave foaming; Step (4): cutting the semi-rigid melamine foam plastic obtained in step (3) and then drying.

A smoking article case with a hand care function may be provided. The smoking article case according to some embodiments of the present disclosure includes a body portion in which an inner space for storing a smoking article is formed and a cover which is connected to the body portion, wherein a functional care zone may be formed on at least a portion of an outer surface of the body portion and an outer surface of the cover. Microcapsules containing a functional material are applied on the functional care zone, and as the microcapsules are crushed by a smoker's rubbing motion and the functional material is discharged from the crushed microcapsules, the hand care function may be provided to the smoker.

The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam cleaning implement has a d90/d10 ratio above 1.65 and a compression deflection force above 3.25 psi. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.

The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam cleaning implement has a d90/d10 ratio above 1.65 and a compression deflection force above 3.25 psi. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.

There is described an aqueous coating composition, the aqueous coating composition comprising an acrylic polyester resin, obtainable by grafting an acrylic polymer and a polyester material, the polyester material being obtainable by polymerizing: (i) a polyacid component, with (ii) a polyol component. At least one of the polyacid component and/or the polyol component comprises a functional monomer operable to impart functionality on to the polyester resin, such that an acrylic polymer may be grafted with the polyester material via the use of said functionality. The coating composition further containing a crosslinking material, wherein the crosslinking material comprises material according to formula (I); as shown in claim 1; wherein R.sub.1 is selected from aryl (such as C.sub.4 to C.sub.24 aryl), or aralkyl (such as C.sub.5 to C.sub.25 aralkyl); R.sub.2 to R.sub.5 are each independently hydrogen, alkyl (such as C.sub.1 to C.sub.20 alkyl), aryl (such as C.sub.4 to C.sub.24 aryl), aralkyl (such as C.sub.5 to C.sub.25 aralkyl) or —CHR.sub.8OR.sub.9;

wherein R.sub.8 and R.sub.9 are each independently hydrogen, alkyl (such as C.sub.1 to C.sub.20 alkyl), aryl (such as C.sub.4 to C.sub.24 aryl), aralkyl (such as C.sub.5 to C.sub.25 aralkyl), alkoxyalkyl (such as C.sub.2 to C.sub.40 alkoxyalkyl) or an alkaryl (such as C.sub.5 to C.sub.25 alkaryl);
wherein at least one of R.sub.2 to R.sub.5, is —CHR.sub.8OR.sub.9, suitably all of R.sub.2 to R.sub.5, are —CHR.sub.8OR.sub.9.

There is described an aqueous coating composition, the aqueous coating composition comprising an acrylic polyester resin, obtainable by grafting an acrylic polymer and a polyester material, the polyester material being obtainable by polymerizing: (i) a polyacid component, with (ii) a polyol component. At least one of the polyacid component and/or the polyol component comprises a functional monomer operable to impart functionality on to the polyester resin, such that an acrylic polymer may be grafted with the polyester material via the use of said functionality. The coating composition further containing a crosslinking material, wherein the crosslinking material comprises material according to formula (I); as shown in claim 1; wherein R.sub.1 is selected from aryl (such as C.sub.4 to C.sub.24 aryl), or aralkyl (such as C.sub.5 to C.sub.25 aralkyl); R.sub.2 to R.sub.5 are each independently hydrogen, alkyl (such as C.sub.1 to C.sub.20 alkyl), aryl (such as C.sub.4 to C.sub.24 aryl), aralkyl (such as C.sub.5 to C.sub.25 aralkyl) or —CHR.sub.8OR.sub.9;

wherein R.sub.8 and R.sub.9 are each independently hydrogen, alkyl (such as C.sub.1 to C.sub.20 alkyl), aryl (such as C.sub.4 to C.sub.24 aryl), aralkyl (such as C.sub.5 to C.sub.25 aralkyl), alkoxyalkyl (such as C.sub.2 to C.sub.40 alkoxyalkyl) or an alkaryl (such as C.sub.5 to C.sub.25 alkaryl);
wherein at least one of R.sub.2 to R.sub.5, is —CHR.sub.8OR.sub.9, suitably all of R.sub.2 to R.sub.5, are —CHR.sub.8OR.sub.9.

This invention relates to aminoplast crosslinker resins compositions based on at least partially alkylated reaction products A of melamine, formaldehyde and an alkanol with the following parameters: the ratio of the amount of substance n(CH.sub.2O) of combined formaldehyde to the amount of substance n(Mel) of melamine is in the range of from 5.6 mol/mol to 6.2 mol/mol, the ratio of the amount of substance n(RO) of alkyl ether groups in the crosslinker resin to the amount of substance n(Mel) of melamine is in the range of from 5.0 mol/mol to 5.6 mol/mol, the mass fraction of monomer in the resin, calculated as the ratio of the mass of monomer m(1) to the mass m(A) of the reaction products A is between 35% and 55%, to a process for their preparation, and to a method of use thereof as crosslinker in combination with hydroxy-functional polymers for coating of heat-sensitive substrates.