A method of enhancing soil water infiltration (SWI) and/or reducing soil water repellency (SWR) comprising: treating an area of groundcover with a composition A comprising A1) a block polymer (P) comprising at least one polyethyleneoxide moiety and at least one polypropyleneoxide moiety, and A2) an alcohol alkoxylate (E), wherein the SWI of the area of groundcover is enhanced and/or the SWR of the area of groundcover is reduced after treatment with the composition A.

A method of enhancing soil water infiltration (SWI) and/or reducing soil water repellency (SWR) comprising: treating an area of groundcover with a composition A comprising A1) a block polymer (P) comprising at least one polyethyleneoxide moiety and at least one polypropyleneoxide moiety, and A2) an alcohol alkoxylate (E), wherein the SWI of the area of groundcover is enhanced and/or the SWR of the area of groundcover is reduced after treatment with the composition A.

To provide 3,4-epoxycyclohexylmethyl methacrylate that is highly pure and that is useful as a raw material for functional materials or optical members having excellent transparency and heat resistance. An alicyclic epoxy compound product having a purity of 3,4-epoxycyclohexylmethyl methacrylate of 98.0 wt. % or greater and a total content of a compound represented by Formula (a) below and a compound represented by Formula (b) below of 1.3 wt. % or less. This alicyclic epoxy compound product preferably has a Hazen color number of 25 or less.

The invention relates to a pharmaceutical agent for the complexation of iron. The pharmaceutical agent includes an initiator group, a polymer and a terminal group R.sup.7, and has the structure: initiator group-polymer-R.sup.7. The pharmaceutical agent further includes one or more functional hydroxamic acid groups of the type (CO)NHOH or (CO)NCH.sub.3OH.

A method for producing a hydroxyl-functionalized polysiloxane having secondary or tertiary hydroxyl groups, said method comprising the steps of: i) reacting a hydroxyalkyl allyl ether having a secondary or tertiary alcohol group with a siloxane under anhydrous conditions and under transition metal catalysis, said hydroxylalkyl allyl ether conforming to Formula (I)

##STR00001## wherein n is 0, 1, 2, 3, 4 or 5, preferably 0; m is 1, 2, 3, 4 or 5, preferably 1; spacer group A is constituted by a covalent bond or a C.sub.1-C.sub.20 alkylene group; R.sup.1 is hydrogen, a C.sub.1-C.sub.8 alkyl group, a C.sub.3-C.sub.10 cycloalkyl group, a C.sub.6-C.sub.18 aryl group or an aralkyl group; R.sup.a, R.sup.b, R.sup.c, R.sup.d, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 may be the same or different and each is independently selected from hydrogen, a C.sub.1-C.sub.8 alkyl group, a C.sub.6-C.sub.18 aryl group or a C.sub.6-C.sub.18 aralkyl group, with the proviso that at least one of R.sup.3 and R.sup.4 is not hydrogen; and said siloxane conforming to Formula (II)

##STR00002## wherein m is 1, 2, 3, 4 or 5, preferably 1; R.sup.6, R.sup.7, R.sup.8 and R.sup.9 may be the same or different and each represent a C.sub.1-C.sub.8 alkyl group, a C.sub.3-C.sub.10 cycloalkyl group, a C.sub.6-C.sub.18 aryl group or a C.sub.6-C.sub.18 aralkyl group; and ii) in the presence of the reaction product of step i), performing a ring opening polymerization of at least one cyclic siloxane monomer.

The present invention provides a compound represented by the general formula (I), and a polymerizable composition containing the compound. When the polymerizable composition containing the compound represented by the formula (I) is used to form a filmy product, the resulting filmy product exhibits less change over time in phase difference and reverse wavelength dispersion and when the filmy polymer is irradiated with UV light, peeling from a substrate is unlikely to be caused. Further, the invention provides a polymer obtained through polymerization of the polymerizable composition and an optically anisotropic body obtained using the polymer.

The present invention provides a compound represented by the general formula (I), and a polymerizable composition containing the compound. When the polymerizable composition containing the compound represented by the formula (I) is used to form a filmy product, the resulting filmy product exhibits less change over time in phase difference and reverse wavelength dispersion and when the filmy polymer is irradiated with UV light, peeling from a substrate is unlikely to be caused. Further, the invention provides a polymer obtained through polymerization of the polymerizable composition and an optically anisotropic body obtained using the polymer.

The present invention aims to provide rubber compositions and tires which provide improved overall performance in terms of wet grip performance and dry grip performance. The present invention relates to a rubber composition having a hardness that reversibly changes with water and satisfying the following relationship (1):
Hardness when dry?Hardness when water-wet?10(1)
wherein each hardness represents the JIS-A hardness at 25? C. of the rubber composition.

The present disclosure relates to a method of preparing an organic zinc catalyst through solid phase blending that does not require a solvent and a washing process, and a method of preparing a polyalkylene carbonate resin by using the organic zinc catalyst prepared thereby.

The present disclosure relates to a method of preparing an organic zinc catalyst through solid phase blending that does not require a solvent and a washing process, and a method of preparing a polyalkylene carbonate resin by using the organic zinc catalyst prepared thereby.