摘要:
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.
摘要:
A thermosetting resin composition contains a thermosetting resin and an inorganic filler. The thermosetting resin includes a curing agent. A 3 mass % methyl ethyl ketone solution of the curing agent has a Gardner color scale of 15 or more. The content of the curing agent accounts for 10 mass % or more of a total solid content of the thermosetting resin composition.
摘要:
Provided are a binder in the producing of a casting sand mold according to an ink jet type lamination shaping method in which a binder is printed with respect to sand, a method for producing the binder, and a method for producing a casting sand mold using the binder. Specifically, provided are a binder useful for a casting sand mold of an ink jet type, containing: a resol-type phenolic resin that is obtained by reacting aldehydes (A1), phenols (P1), and a compound (N) having two or more phenolic hydroxyl groups in one molecule or by reacting the aldehydes (A1) and a novolac-type phenolic resin (N1), in the presence of an alkali catalyst, and has a dispersion degree (Mw/Mn) of 1.0 to 3.5 and a phenolic monomer residue of 5% or less, a method for producing the binder, and a method for producing a casting sand mold.
摘要:
A paraffin inhibitor composition that exhibits stable properties at low temperature is provided. The composition may contain, for instance, an alkylphenol copolymer having the following repeating units (A) and (B): wherein, x is an integer from 1 to 200; y is an integer from 2 to 200; R1 is a straight or branched C1-C15 alkyl; and R2 is a straight or branched C16-C40 alkyl.
摘要:
The material for forming a film for lithography according to the present invention contains a compound represented by the following formula (1): wherein, each R0 independently represents a monovalent group having an oxygen atom, a monovalent group having a sulfur atom, a monovalent group having a nitrogen atom, a hydrocarbon group or a halogen atom, and each p is independently an integer of 0 to 4.
摘要:
A novolac-type phenolic hydroxyl group-containing resin with formula (1) as a structural site repeating unit, R1 represents one of a hydrogen atom, an alkyl group, and an aryl group, and X represents a structural site (α) represented by formula (2), R2 and R3 each represent one of a hydrogen atom, an alkyl group, an aryl group, and an aralkyl group; n and m are each an integer of 1 to 3; when n or m is 2 or 3, a plurality of each of R2 and R3 present in a molecule may be the same or different; and Ar represents one of a phenyl group, a naphthyl group, an anthryl group, and a structural site in which one or a plurality of hydrogen atoms in an aromatic nucleus of any one of these groups is substituted by one of an alkyl group, an aryl group, and an aralkyl group).
摘要:
Polymeric reaction products of certain aromatic alcohols with certain aromatic aldehydes are useful as underlayers in semiconductor manufacturing processes.
摘要:
A liquid resol-type phenolic resin obtained by reacting a phenol (A), and a secondary and/or tertiary alkylamine compound (B) in the presence of a basic catalyst. The nitrogen content relative to the total weight of the liquid resol-type phenolic resin is preferably from 3 to 30% by weight. Further, the secondary and/or tertiary alkylamine compound (B) is preferably hexamethylenetetramine. Moreover, the molar ratio between the phenol (A) and the secondary and/or tertiary alkylamine compound (B) preferably satisfies (B)/(A)=0.13 to 0.35.
摘要:
A phenol resin molding material includes a modified olefin-based polymer particle (I) and a phenol resin (II). It is preferable that the modified olefin-based polymer particle (I) satisfy at least one of the requirements (A), (B), and (C) which are defined as follows: (A) Inclusion of at least one element selected from a group consisting of a group 15 element, a group 16 element, and a group 17 element of the periodic table. (B) When the whole of the above-described olefin-based polymer particle (I) is set as 100 wt %, the content of the above-described elements is greater than or equal to 0.05 wt % and less than or equal to 50 wt %. (C) MFR which is measured under the conditions of 190° C. and 2.16 kgf based on JIS K 7210 is greater than or equal to 0.001 g/10 minutes and less than 3 g/10 minutes.
摘要:
A process for the high-yield preparation of p-(R-oxy)calix[9-20]arenes from a mixture of a base, a phenol, a source of formaldehyde and a organic solvent, p-(R-oxy)calix[9-20]arenes obtained from such a process, and uses of such p-(R-oxy)calix[9-20]arenes.