Itaconic acid → Butadiene, styrene, acrylic acid latex

HRID 1250237Notes

Reaction equation

HRID 1250237 reaction equation
[CH2:1]=[CH:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.C(O)(=O)[C:10]([CH2:12][C:13]([OH:15])=[O:14])=C.C=CC=C.C(O)(=O)C=C>O>[CH2:1]=[CH:2][CH:3]=[CH2:4].[CH2:1]=[CH:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.[C:13]([OH:15])(=[O:14])[CH:12]=[CH2:10]

Participants

6

Reactant 4

HCID 811Itaconic acidHCID 6581Acrylic AcidHCID 7501Styrene2×HCID 78451,3-Butadiene

Product 1

HCID 159992Butadiene, styrene, acrylic acid latex

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

A latex as a binder for nonwoven applications to form a permeable sublayer of personal hygiene articles. The latex is prepared by a process including the steps of (1) polymerizing a monomer mixture comprising styrene, itaconic acid, surfactant and water soluble free radical initiator to form a seed; (2) sequentially adding equal increments of a monomer mixture of styrene, butadiene and acrylic acid to the seed under emulsion polymerization conditions to form a styrene-butadiene-acrylic acid copolymer; and then (3) neutralizing the styrene-butadiene-acrylic acid copolymer to a pH of about 4.5 to 7 to form the latex.

Workup

  1. customA latex as a binder for nonwoven applications to form a permeable sublayer of personal hygiene articles
  2. customThe latex is prepared by a process
  3. customto form a seed
  4. customunder emulsion polymerization conditions

Sources & evidence

ORD record
ord-d70dca8cb0724719991dcb8ede590317
Source dataset
uspto-grants-2002_01
Patent number
US06337359B1

Reaction notes

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