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Acrylonitrile Butadiene Copolymer (NBR) LatexPrint Page

Latex of acrylonitrile butadiene copolymer (NBR latex)

Nipol NBR latices are available in medium nitrile, medium-high nitrile, and high nitrile, according to the relative concentration of acrylonitrile. We also have modified types, such as modified carboxyl, and non-modified types. Major applications are detailed in tables 4-2 to 4-5, while table 4-6 lists other typical uses, and are useful references for selecting a specific latex.

Table 4-1 Paper processing and fiber treatment(impregnated and internal)
Product
name
Type Total
solids
(%)
pH Visco
sity
(mPa•s)
Surface
tension
(mN/m)
Average
particle
diameter
(nm)
Tg
(°C)
Characte
ristics
Appli
cations
Nipol 1562 NBR 41.0 10.0 35 43 50 -21 Medium-high nitrile. Soft type. Basic paper for tapes, clutch sheets, belts, and hoses.
Nipol 1571H Modified NBR 40.0 8.3 15 28 120 -8 High nitrile. Standard modified carboxyl. Good infiltration, adhesive strength and low discoloration with paper, fabrics, and wood. Good oilproof properties and solvent resistance. Paper packing, polishing fabrics, gaskets.
Nipol 1571C2 Modified NBR 45.0 8.5 25 40 120 -10 High nitrile. Further improved on 1571H by creating low bubbling, higher concentration, and more stable. Gaskets (internal).
Nipol 1571CL Modified NBR 38.0 8.0 12 29 100 -11 High nitrile.Less Cl- from 1571H type. Low rusting with iron. Good blend stability with phenol. Polishing fabrics and paper (impregnated), and clutch boards.
Nipol LX517B Modified NBR 40.0 8.0 12 40 120 -16 Medium-high nitrile. More flexible with less bubbling than 1571H type. Gaskets and clutch sheets.
Nipol 1577K NBR 38.0 10.0 20 45 40 26 Special nitrile. Good oilproof properties and adhesiveness, even though medium nitrile. Hard type used to reinforce other NBR latices. Shoe materials (impregnated).
Nipol LX511A Modified NBR 46.0 8.0 20 30 170 -19 Medium-high nitrile. Polishing fabrics and gaskets.
Nipol LX513 NBR 45.0 10.0 35 34 140 -31 Medium-high nitrile. Capable of gelatinization by heat. More flexible than LX511A. Gaskets.
  • Notes
    1. NBR: acrylonitrile-butadiene copolymer
    2. Modified NBR: carboxyl acrylonitrile-butadiene copolymer
Table 4-2 Foam rubber
Product name Type Total
solids
(%)
pH Viscosity
(mPa•s)
Surface
tension
(mN/m)
Average
particle
diameter
(nm)
Tg
(°C)
Characteristics Applications
Nipol LX531B NBR 66.0 11.0 300 34 300 -12 Medium-high nitrile. Enhanced oilproofing type and stronger gel. Desirable for foam rubber. Cosmetic puffs.
Table 4-3 Gloves
Product name Composition Total
solids
(%)
pH Viscosity
(mPa•s)
Surface
tension
(mN/m)
Average
particle
diameter
(nm)
Tg
(°C)
Characteristics
Nipol LX550 Modified NBR 45.0 8.5 250 35 110 -27 Medium nitrile. Soft type for oilproof gloves. Film is elastic and strong.
Nipol LX550L Modified NBR 45.0 8.3 60 35 110 -27 Medium nitrile. Soft type for oilproof gloves and excellent for thin gloves.
Films is elastic and strong.
Nipol LX551 Modified NBR 45.0 8.5 85 31 120 -14 Medium-high nitrile. Oilproof gloves.
More oilproof and stronger than LX550.
Nipol LX552 Modified NBR 45.0 8.0 30 28 110 -12 Medium-high nitrile. Oilproof gloves.
Great gel volume and stronger than LX550 and LX551.
Table 4-4 Non-woven fabrics
Product
name
Compo
sition
Total
solids
(%)
pH Viscosity
(mPa•s)
Surface
tension
(mN/m)
Average
particle
diameter
(nm)
Tg
(°C)
Characte
ristics
Appli
cations
Nipol LX511A Modified NBR 46.0 8.0 20 30 170 -19 Medium-high nitrile. Easy crosslinking using zinc oxide. Film is soft and elastic. Excellent oil and solvent resistance. Sharply heat-gelatinized by organo polysiloxane copolymer. More elastic than 1571H. Synthetic leather. Thick non-woven fabric binders, base of non-woven fabric binders for artificial leather.
Table 4-5 Carpets
Product
name
Compo
sition
Total
solids
(%)
pH Visco
sity
(mPa•s)
Surface
tension
(mN/m)
Average
particle
diameter
(nm)
Tg
(°C)
Characte
ristics
Appli
cations
Nipol 1571C2 Modified NBR 45.0 8.5 25 40 120 -10 High nitrile. Further improved on 1571H type by creating lower bubbling, higher concentration, and better stability. Floor mats.
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