Bis-(P-Butyl-Phenyl)-1,4-Diketopyrrolo(3,4-C)Pyrrole
|
HS Code |
766132 |
| Chemical Formula | C24H20N2O2 |
| Molar Mass | 368.43 g/mol |
| Appearance | Red - violet solid |
| Solubility In Organic Solvents | Soluble in some organic solvents like chloroform, dichloromethane |
| Melting Point | Typically high (around 300 - 350 °C) |
| Thermal Stability | Good thermal stability |
| Crystalline Structure | May form well - defined crystalline structures |
| Color In Solution | Shows intense red - violet color in solution |
| Light Absorption Properties | Absorbs light in the visible region |
| Electron Donating Withdrawing Nature | The butyl - phenyl groups can influence its electron - donating/withdrawing ability |
As an accredited Bis-(P-Butyl-Phenyl)-1,4-Diketopyrrolo(3,4-C)Pyrrole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 100g of Bis-(P - Butyl - Phenyl)-1,4 - Diketopyrrolo(3,4 - C)Pyrrole in sealed chemical - grade packaging. |
| Shipping | Bis-(P - Butyl - Phenyl)-1,4 - Diketopyrrolo(3,4 - C)Pyrrole is shipped in sealed, corrosion - resistant containers. They are carefully packaged to prevent breakage and ensure safe transit, following strict chemical shipping regulations. |
| Storage | Bis-(P-Butyl-Phenyl)-1,4-Diketopyrrolo(3,4-C)Pyrrole should be stored in a cool, dry place, away from direct sunlight. Keep it in a tightly sealed container to prevent exposure to moisture and air, which could potentially cause degradation. Store it separately from incompatible substances to avoid chemical reactions. Ideal storage temperature is typically around 2 - 8 °C if possible. |
When formulating a high-chroma solid red or orange for an OEM automotive topcoat using solventborne acrylic-melamine chemistry, the selection of Bis-(P-Butyl-Phenyl)-1,4-Diketopyrrolo(3,4-C)Pyrrole dictates both initial colour saturation and long-term gloss retention under natural weathering. This diketopyrrolopyrrole (DPP) pigment, processed via a high-energy bead‑milling step through a horizontal continuous mill filled with 0.3–0.5 mm yttria-stabilised zirconia beads, must achieve a Hegman grind gauge reading of 7.5 or finer before let‑down into the binder system. Typical full-shade pigmentation levels range from 6% to 9% by weight on total binder solids, while co‑grinding with a sterically hindered amine light stabiliser package and a blocked-acid catalyst requires viscosity monitoring by Brookfield DV‑II+ at 25°C to prevent mill stalling. The cured film, applied at 35–45 µm dry-film thickness via robotic bell‑cup atomisers, is validated against SAE J2527 (xenon‑arc accelerated exposure) with ΔE*ab <1.5 after 3,000 kJ/m², and must comply with the global automotive substance-of-concern list (GADSL) and REACH Annex XVII restrictions on barium‑soluble impurities invariably introduced during pigment synthesis. The surface‑finish criteria further require 20° gloss retention above 85% after 5 years Florida natural exposure per ISO 2810. End‑use products include mono‑coat body panels for compact vehicles, clear‑coated metallic basecoats for luxury sedans, and two‑component polyurethane tinted repair pastes distributed in Europe under VOC Directive 2004/42/EC compliant packaging.What governs the filtration pressure rise in melt-spun polypropylene fine‑denier fibres coloured with this DPP pigment? The primary variable is the pigment aggregate strength distribution within the masterbatch carrier, which directly influences screen‑pack life on a Barmag spinning line. Masterbatch manufacture employs a co‑rotating twin‑screw extruder with an L/D 44:1 configuration and intensive kneading blocks, operating at a melt temperature of 210–230°C, with pigment loading reaching 35 wt% inside a low‑MFI polypropylene homopolymer. During fibre production, the masterbatch is let down at a ratio of 2.5–4.0%, translating to a final pigment concentration of 0.10–0.18% in a 0.8–2.2 dtex per filament yarn. The extruder‑equipped spin pack features a sequence of sintered‑metal filters from 40 µm down to 10 µm absolute; a pressure build‑up exceeding 200 bar before 72 hours of continuous operation signals excessive oversized particles that correlate with a Heubach dusting value above 500 ppm per EN 15051‑2. Compliance with Oeko‑Tex Standard 100, Annex 4 (Class I) mandates extractable antimony <30 mg/kg and primary aromatic amine content below 20 mg/kg, while lightfastness under glass‑filtered xenon arc per ISO 105‑B02 must reach minimum grade 7 at the stated depth. Finished fibres are converted into woven automotive headliner fabrics, needle‑punched floor carpeting for passenger vehicles, and high‑strength polyethylene outdoor shade nets where alternating wet‑dry cycles require delamination‑free pigment‑polymer adhesion.Extrusion-compounded polyester/primid-based powder coatings destined for architectural aluminium certification under Qualicoat Class 2 specifications require pigmentation that withstands a 10‑minute bake at 200°C without developing a brown shift—a problem observed when Cu‑phthalocyanine blues were co‑ground with inferior diketopyrrolopyrrole organics susceptible to thermal oxidation at the alkyd‑amine interface. In this application, the pigment is pre‑dispersed with the polyester resin and additives in a single‑screw extruder with a barrel temperature profile sloping from 80°C (feed) to 115°C (die), with screw speed 350–400 rpm and residence time not exceeding 30 seconds; post‑extrusion, the cooled chip is subjected to a pin‑disk mill and classified to a mean particle size (D50) of 35–45 µm. Pigment addition is held within 0.3–1.2% of the total powder weight, with upper limits dictated by orange‑peel texture appearance at film builds below 60 µm. On aluminium panels pretreated with a chrome‑free titanium‑zirconium conversion layer, the cured powder coat is evaluated per AAMA 2604‑22 for colour retention: a ΔE*ab <3.0 after 10 years South Florida 45° South is required for high‑end window frame profiles. Compliance extends to FDA 21 CFR 175.300 when the powder‑coated aluminium is used in dry‑food contact bakery racks, necessitating that no colourant component migrates to food simulants in excess of 0.5 µg/cm² in the finished cured film as tested by ISO 6488‑1. Typical output includes curtain‑wall mullions, balcony railings, and heat‑exchanger fins requiring a silk‑matte finish with gloss 30±5 GU.UV-LED Curable Inkjet Inks for Wide-Format Graphics and the Critical Dispersant DemandFormulating a magenta‑tilted orange for LED‑curing inkjet requires pigment primary particle size consistently below 100 nm and a pigment‑grade wetting agent with an amine value between 30–45 mg KOH/g to avoid flocculation during high‑speed printing. The DPP colourant is milled in 1,4‑butanediol diacrylate monomer using a fully yttria‑stabilised zirconia internal‑recirculation bead mill at 2,500–3,000 rpm tip speed until transmission electron microscopy confirms D90 <200 nm; the resulting concentrate (15–22 wt% pigment) is then blended with oligomers and photoinitiators to yield a final ink containing 3.5–5.0% pigment. Jet‑out performance on a Kyocera KJ4B recirculating printhead at 600×1,200 dpi is assessed by monitoring the latency test: nozzle loss must remain below 1 dropout per 1,000 nozzles after 30 minutes uncapped pause. The cured ink film must pass the Swiss Ordinance SR 817.023.21 Annex 6 migration limits for indirect food contact when the printed reel‑to‑reel film is laminated into flexible packaging; similarly, the Nestlé Guidance Note tested with Tenax simulant requires specific migration of the pigment decomposition products below 10 ppb. The application’s main commercial outputs include self‑adhesive vehicle wrap films, thermoformed vending‑machine fascia graphics, and heavy‑duty floor‑graphic laminates subject to abrasion resistance per ASTM D4060 using CS‑10 wheels.In the two-piece beverage can industry, where coil‑coated aluminium is decorated at speeds exceeding 1,800 sheets per hour and then cured through a pin‑chain oven peaking at 205°C, the inside‑spin‑neck area demonstrates colour drip and pigment decomposition unless the DPP pigment exhibits oxidative stability well beyond TGA onset data. Offset‑lithographic ink prepared for two‑piece can decoration is formulated with a pigment loading of 8–16 wt% in a thermally curable polyester‑amino resin vehicle; the ink requires a tack of 7–10 (at 1,200 rpm on an Inkometer) and must remain open on the inking rollers without skinning for 2 hours at 32°C. The decorated sheet passes through a varnish overprint station and then enters a multi‑zone gas‑fired oven where the metal surface temperature is ramped to 195–205°C for 6–8 minutes. Regulatory compliance hinges on FDA 21 CFR 175.300 (resinous and polymeric coatings) and EU Regulation 1935/2004, with specific attention to chlorobenzene‑free volatile decomposition and barium chromate‑free corrosion inhibitors. The can‑end and body stock, after necking and flanging, is filled with carbonated soft drinks or beer, requiring the pigmented layer to resist delamination during pasteurisation at 68°C for 20 minutes without creating micro‑fissures detectable by an Enamel Rater test at 6.3 V. Typical finished articles also include drawn‑and‑ironed food cans for preserved soups where head‑space retort conditions reach 121°C for 45 minutes.Engineering Compound Colour Matching: PC/ABS Blends for 5G Device HousingsWhen matching a saturated reddish‑orange target for an injection‑moulded PC/ABS telecommunications enclosure, the colourist must account for the melt‑temperature‑dependent chroma shift, because the DPP pigment’s crystal modification can partially dissolve in the polycarbonate phase at temperatures above 280°C, causing a bathochromic shift that deviates from the L*a*b* standard. Pre‑compounded masterbatch in a polycarbonate carrier is introduced during injection moulding via a gravimetric feeder at a let‑down ratio yielding 0.2–0.6 wt% pigment in the final part; the moulding machine, typically an electric toggle‑type with clamping force of 1,200–1,800 kN, must maintain a barrel temperature profile peaking at 270±3°C and a hold pressure 800–1,000 bar to prevent jetting‑induced streak marks on the gate‑near surface. Colour confirmation uses a sphere‑based spectrophotometer under D65/10° with specular component excluded on a textured plaque per ISO 11664‑4, and the ΔE*cmc <0.6 between trial and standard. Compliance with the Restriction of Hazardous Substances Directive (RoHS) recast (2011/65/EU) requires lead, mercury, and hexavalent chromium each below 100 ppm; flame‑retardant systems containing brominated or chlorinated compounds demand that the pigment not catalyse dehydrohalogenation at the processing window, confirmed by thermogravimetric‑Fourier transform infrared evolved gas analysis showing no detectable hydrogen bromide emission below 300°C. Finished parts include WiFi‑6 base station radomes, smartphone mid‑frames with antenna‑line transparency, and E‑band vehicular radar covers that must pass mechanical impact at -40°C.If a tarpaulin manufacturer substitutes a conventional azo red with this DPP derivative in a PVC plastisol topcoat, how does the formulation account for the shift in migration fastness and blooming under tropical stack‑storage conditions? The DPP colourant is pre‑dispersed in a phthalate‑free plasticiser (di‑isononyl cyclohexane‑1,2‑dicarboxylate) on a triple‑roll mill with roll temperatures 30°C, 35°C, 40°C respectively, producing a chip‑dispersion containing 10–18% pigment. This is stirred into a plastisol containing suspension‑grade PVC (K‑value 72), epoxidised soybean oil co‑stabiliser, and Ca‑Zn liquid stabiliser, with final pigment concentration ranging from 0.08% to 0.5% depending on the desired shade depth. The coated polyester fabric passes through a gelling tunnel at 160–180°C with a dwell time of 90–120 seconds, followed by an embossing station. Migration fastness is determined according to EN ISO 105-Z06 against a white PVC reference under a load of 1 kg at 80°C for 24 hours; blooming is assessed by a cyclic humidity test (40°C/95% RH for 7 days) with subsequent x‑ray photoelectron spectroscopy to detect pigment‑derived organic species on the surface. The finished textile composite, meeting Oeko‑Tex Standard 100 Annex 6 for industrial applications, is fabricated into truck‑side curtains, inflatable boat collar fabric, and grain‑storage covers where long‑term crease‑fold resistance must not expose uncoloured substrate due to pigment‑layer cracking.Regulatory Crosswalk for Bis-(P-Butyl-Phenyl)-1,4-Diketopyrrolo(3,4-C)Pyrrole Across Primary Downstream Channels
|
Competitive Bis-(P-Butyl-Phenyl)-1,4-Diketopyrrolo(3,4-C)Pyrrole prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615651039172 or mail to sales9@bouling-chem.com.
We will respond to you as soon as possible.
Tel: +8615651039172
Email: sales9@bouling-chem.com
Flexible payment, competitive price, premium service - Inquire now!
| Property | Typical Value | Test Method |
|---|---|---|
| Pigmentary form | Fine powder | Visual |
| Moisture content (Karl Fischer) | ≤ 0.5 % | ISO 760 |
| Residue on 45 µm sieve | ≤ 0.1 % | ISO 787-7 |
| pH of aqueous extract (10 % slurry) | 6.5–8.0 | ISO 787-9 |
| Conductivity of aqueous extract | ≤ 150 µS/cm | ISO 787-14 |
| Heavy metal content (Pb, Cd, Hg, Cr⁶⁺) | ≤ 10 ppm each | IEC 62321 |
| Decomposition onset (TGA, N₂) | ≥ 420 °C | ISO 11358-1 |
| Performance parameter | P.R. 264 (4-butylphenyl) | P.R. 254 (4-chlorophenyl) | P.R. 255 (4-phenylphenyl) | Standard |
|---|---|---|---|---|
| Heat stability in HDPE (5 min residence) | 300 °C | 280 °C | 290 °C | EN 12877-2 |
| Lightfastness, mass-tone, alkyd-melamine | BS 8 | BS 7–8 | BS 8 | ISO 105-B02 |
| Weatherfastness, 2000 h Xenon arc, WOM | ΔE* ≤ 1.0 (full shade) | ΔE* ≤ 1.5 | ΔE* ≤ 1.2 | ISO 4892-2 |
| Chemical fastness (1M HCl, 24 h, 25 °C) | ΔE* ≤ 0.3 | ΔE* ≤ 0.3 | ΔE* ≤ 0.5 | DIN EN 12701 |
| Migration tendency (PVC-P, 80 °C, 24 h) | ≤ Grade 4 dE | ≤ Grade 4 dE | ≤ Grade 4 dE | ISO 18314-4 |
| Extinction coefficient (εmax) in PMMA film | ~38 500 L·mol⁻¹·cm⁻¹ | ~42 000 L·mol⁻¹·cm⁻¹ | ~37 000 L·mol⁻¹·cm⁻¹ | UV-Vis (internal) |
