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Showing contexts for: cyanide in Nippon A And L Inc. vs The Controller Of Patents on 5 July, 2022Matching Fragments
aliphatic conjugated dienic 15 to 60% by mass of (a) an aliphatic monomer; conjugated dienic monomer; 5 to 35% by mass of (b) an 5 to 35% by mass of (b) an ethylenic ethylenic unsaturated carboxylic unsaturated carboxylic acid monomer;
acid monomer; 5 to 30% by mass of (c) a vinyl
5 to 30% by mass of (c) a vinyl cyanide monomer; and
cyanide monomer; and 0 to 75% by mass of (d) a monomer
0 to 75% by mass of (d) a monomer copolymerizable therewith,
copolymerizable therewith, and the emulsion polymerization being
wherein the emulsion carried out by not charging a whole
polymerization is carried out by not amount of the (c) vinyl cyanide
charging a whole amount of the (c) monomer until a reaching time when
vinyl cyanide monomer until a a polymer conversion rate of the
reaching time when a polymer reaction system has reached 1.0%,
conversion rate of the reaction and
system has reached 1.0%, and charging 80% by mass or larger of the
charging 80% by mass or larger of whole amount of the (c) vinyl cyanide
the whole amount of the (c) vinyl monomer by a time point of 60% of
cyanide monomer by a time point time from the reaching time until a
of 60% of time from the reaching completing time when charging of a
time until a completing time when whole amount of the monomer
charging of a whole amount of the components has been completed, at
monomer components has been the latest.
completed, at the latest.
Claim 2 The copolymer latex according to The method as claimed in claim 1,
claim 1, wherein the emulsion wherein the emulsion polymerization
polymerization is carried out by is carried out by incorporating larger
incorporating larger than 0% by than 0% by mass and 40% by mass or
mass and 40% by mass or smaller smaller of a whole amount of the (b)
of a whole amount of the (b) ethylenic unsaturated carboxylic acid
ethylenic unsaturated carboxylic monomer in the reaction system at a
acid monomer in the reaction charging-starting time of a
system at a charging-starting time polymerization initiator, and
of a polymerization initiator, and starting addition of the rest of the (b)
starting addition of the rest of the ethylenic unsaturated carboxylic acid
(b) ethylenic unsaturated carboxylic monomer from a time point of 5% of
acid monomer from a time point of time from the reaching time until the
5% of time from the reaching time completing time, at the soonest, and
until the completing time, at the charging 92% by mass or larger of the
soonest, and charging 92% by mass whole amount of the (b) ethylenic
or larger of the whole amount of unsaturated carboxylic acid monomer
the (b) ethylenic unsaturated by a time point of 80% of time from
carboxylic acid monomer by a time the reaching time until the completing
point of 80% of time from the time, at the latest.
reaching time until the completing
time, at the latest.
Claim 3 The copolymer latex according to The method as claimed in claim 1 or
claim 1 or 2, wherein a ratio of a 2, wherein a ratio of a tensile stress at
tensile stress at break of a latex break of a latex film of 0.3 to 0.5 mm
film of 0.3 to 0.5 mm in thickness in thickness fabricated using the
fabricated using the copolymer copolymer latex to a tensile stress
latex to a tensile stress thereof at thereof at 100% elongation (tensile
100% elongation (tensile stress at stress at break / tensile stress at 100%
break / tensile stress at 100% elongation) is lower than 3.5; and an
elongation) is lower than 3.5; and elongation at break of the latex film
an elongation at break of the latex exceeds 300%.
film exceeds 300%.
Claim 4 A copolymer latex being obtained A method of emulsion polymerization
by emulsion polymerization, for obtaining a copolymer latex,
wherein the copolymer comprises wherein the copolymer comprises
monomer components comprising: monomer components comprising:
15 to 60% by mass of (a) an 15 to 60% by mass of (a) an aliphatic
aliphatic conjugated dienic conjugated dienic monomer;
monomer; 6.5 to 35% by mass of (b) an
6.5 to 35% by mass of (b) an ethylenic unsaturated carboxylic acid
ethylenic unsaturated carboxylic monomer;
acid monomer; l to 30% by mass of (c) a vinyl
1 to 30% by mass of (c) a vinyl cyanide monomer, and
cyanide monomer, and 0 to 77.5% by mass of (d) a monomer
0 to 77.5% by mass of (d) a copolymerizable therewith,
monomer copolymerizable wherein a difference between a
therewith, and moisture percentage of a latex film of
wherein a difference between a 0.3 to 0.5 mm in thickness and of a 4
moisture percentage of a latex film cm-side square fabricated using the
of 0.3 to 0.5 mm in thickness and copolymer latex as humidity-
of a 4 cm-side square fabricated conditioned in an atmosphere of 23°C
using the copolymer latex as and 50%RH for 2 days and a moisture
humidity-conditioned in an percentage of the latex film as dried
atmosphere of 23°C and 50%RH in a desiccator installed with drying
for 2 days and a moisture silica gel for 2 days is 3.0% by mass
percentage of the latex film as dried or lower; and in a desiccator installed with drying a viscosity of the copolymer latex as silica gel for 2 days is 3.0% by regulated at a solid content mass or lower; and concentration of 50.0% by mass with a viscosity of the copolymer latex pure water being used as a disperse as regulated at a solid content medium, a pH of 6.5 and a liquid concentration of 50.0% by mass temperature of 25°C is 1000 mPa·s or with pure water being used as a lower; and disperse medium, a pH of 6.5 and a the emulsion polymerization being liquid temperature of 25°C is 1000 carried out by not charging a whole mPa·s or lower. amount of the (c) vinyl cyanide monomer until a reaching time when a polymer conversion rate of the reaction system has reached 1.0%, and charging 80% by mass or larger of the whole amount of the (c) vinyl cyanide monomer by a time point of 60% of time from the reaching time until a completing time when charging of a whole amount of the monomer components has been completed, at the latest.
Claim 6 The copolymer latex according to claim 4 or 5, wherein the emulsion polymerization is carried out by not charging a whole amount of the (c) vinyl cyanide monomer until a reaching time when a polymer conversion rate of the reaction system has reached 1.0%, and {OMITTED} charging 80% by mass or larger of the whole amount of the (c) vinyl cyanide monomer by a time point of 60% of time from the reaching time until a completing time when charging of a whole amount of the monomer components has been completed, at the latest.
"The subject-matter of claims 1-7 falls within scope of Section 3(d) of the Act, what is claimed in claims 1-7 is nothing but a mere use of known composition and preparation of copolymer latex (comprising of conjugated diene monomer, ethylenically unsaturated carboxylic acid monomer and Vinyl cyanide monomer) repeating without employing any new reactant and therefore, the subject-matter of said claims also falls within the scope of Section 3(d) of the Act."